Night Log 2026-07-08

SA: Zwidofhela SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ A good night of observations with good weather and stable seeing. We managed to observe 13 Science blocks including a P0 and several P1s, P2s, P3s and a P4. Science data taken for: 2025-2-MLT-011 P0 RSS (Obtaining dynamical information and constraining galaxy cluster merger geometries and timescales) 2025-2-MLT-014 P1 RSS (Observations of a possible nova super-remnant around a CV.) 2025-2-MLT-001 P1 RSS (Toward a complete census of void galaxy properties in the Local Volume) 2026-1-SCI-022 P1 RSS (Identifying targets for follow-up BH dynamical mass measurements) 2026-1-COM-001 P1 HRS (HRS HS Commissioning ) 2026-1-SCI-003 P2 RSS (The rapid stages of final stellar evolution caught in the act) 2026-1-MLT-007 P2 RSS (Spectroscopic study of BLAP candidates) 2026-1-SCI-014 P3 RSS (What galaxies cause odd radio circles (ORCs)?) 2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples) 2026-1-SCI-018 P3 RSS (Measuring distances to the largest known radio galaxies to understand how black hole jets grow.) 2026-1-SCI-025 P3 RSS (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) 2025-2-MLT-013 P3 RSS (Searching for double hydrogen-deficient stars) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-07-07

SA: Antoine SO: Austun Others: Sam, Eben, Thabelo, and Michael are here for the dome issue, and Zwido is here for the handover. Anthony for PCON ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Apart from some downtime due to technical problems, this is our last full night. We again managed to observe many blocks. Science data taken for: 2025-2-MLT-011 P0 RSS (Obtaining dynamical information and constraining galaxy cluster merger geometries and timescales) 2025-2-MLT-005 P1 RSS (IFU observations of nearby MHONGOOSE galaxies) 2026-1-SCI-022 P1 RSS (Identifying targets for follow-up BH dynamical mass measurements) 2026-1-SCI-025 P1 RSS (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) 2024-2-COM-002 P1 RSS (This is a commissioning proposal) 2026-1-SCI-024 P2 RSS (Decoding the star formation history of Arp 261) 2026-1-MLT-006 P2 RSS (Search for new Galactic symbiotic stars) 2026-1-SCI-003 P2 RSS (The rapid stages of final stellar evolution caught in the act) 2026-1-MLT-007 P2 RSS (Spectroscopic study of BLAP candidates) 2026-1-MLT-003 P2 RSS (RSS longslit observations of Hickson Compact Groups) 2026-1-SCI-004 P3 HRS (x2) (Studying the variable stellar winds of Wolf-Rayet stars) 2024-2-LSP-002 P3 RSS (Pan-African AGN survey using SALT/IFS: tracing the properties of AGN and their host galaxies) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-07-06

SA: Antoine SO: Austun Others: Sam for TimDimm ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We had a good night with stable seeing and we managed to observe many blocks of mixed priority. Science data taken for: 2026-1-SCI-013 P0 SCAM (Observing new near Earth asteroids) 2026-1-SCI-022 P1 RSS (x4) (Identifying targets for follow-up BH dynamical mass measurements) 2026-1-SCI-025 P2 RSS (x3) (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) 2025-2-MLT-004 P2 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) 2026-1-SCI-024 P2 RSS (Decoding the star formation history of Arp 261) 2026-1-SCI-005 P2 HRS (na) 2025-2-MLT-013 P3 RSS (Searching for double hydrogen-deficient stars) 2024-2-LSP-002 P3 RSS (x2) (Pan-African AGN survey using SALT/IFS: tracing the properties of AGN and their host galaxies) 2026-1-MLT-003 P3 RSS (x2) (RSS longslit observations of Hickson Compact Groups) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-07-05

SA: Antoine SO: Austun Others: Anthony for PCON ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Another full night, during which we again managed to observe many blocks of different priorities. Science data taken for: 2025-2-MLT-006 P1 RSS (Study of galaxy properties of galaxy group HIPASS 1059-09) 2026-1-DDT-006 P1 RSS (Optical study of an omega-tail radio galaxy) 2025-2-MLT-013 P1 RSS (Searching for double hydrogen-deficient stars) 2026-1-SCI-022 P1 RSS (Identifying targets for follow-up BH dynamical mass measurements) 2026-1-SCI-021 P1 HRS (Charcaterizing eclisping binaries that have experienced unstable mass transfer) 2026-1-SCI-008 P1 RSS (Determining mass of 2 Brown Dwarfs orbiting WD stars using Radial Velocities) 2026-1-SCI-025 P2 RSS (x2) (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) 2026-1-SCI-024 P2 RSS (Decoding the star formation history of Arp 261) 2024-2-LSP-001 P2 HRS (Followup of Transients) 2026-1-SCI-003 P2 RSS (The rapid stages of final stellar evolution caught in the act) 2026-1-MLT-005 P2 RSS (Extreme variability in the BLR of the Seyfert AGN J0259-2422) 2024-2-MLT-001 P3 HRS (x4) (Spectroscopy of compact heirarchial triples) 2024-2-LSP-002 P3 RSS (x2) (Pan-African AGN survey using SALT/IFS: tracing the properties of AGN and their host galaxies) 2026-1-MLT-003 P3 RSS (RSS longslit observations of Hickson Compact Groups) ------------------------------------------------------------------------

Night Log 2026-07-04

SA: Antoine SO: Austun Others: Thabelo, Sam and Anthony ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Apart from some downtime due to technical problems, this could be our second full night with stable weather. We again managed to observe many blocks, mostly the high-priority ones. Science data taken for: 2026-1-SCI-010 P0 RSS (High cadence spectroscopy of white dwarf pulsar J191213-44) 2026-1-SCI-022 P1 RSS (x2) (Identifying targets for follow-up BH dynamical mass measurements) 2026-1-SCI-020 P1 RSS (Finding presence of Supermassive black hole binaries in quasars) 2025-2-MLT-013 P1 RSS (Searching for double hydrogen-deficient stars) 2026-1-DDT-002 P1 HRS (Monitoring of stellar activity of solar analog star) 2024-2-LSP-001 P1 RSS (x3) (Followup of Transients) 2026-1-DDT-006 P1 RSS (Optical study of an omega-tail radio galaxy) 2026-1-DDT-005 P1 RSS (DDT SN2007it) 2025-2-MLT-006 P2 RSS (Study of galaxy properties of galaxy group HIPASS 1059-09) 2024-2-MLT-001 P3 HRS (x4) (Spectroscopy of compact heirarchial triples) 2026-1-MLT-003 P3 RSS (x2) (RSS longslit observations of Hickson Compact Groups) 2026-1-MLT-006 P3 RSS (x2) (Search for new Galactic symbiotic stars) ------------------------------------------------------------------------

Night Log 2026-07-03

SA: Antoine SO: Austun Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ This was our first stable, full night, and we managed to observe many blocks across different priority levels Science data taken for: 2024-2-LSP-001 P0 RSS (Followup of Transients) 2024-2-COM-002 P1 RSS (This is a commissioning proposal) 2026-1-SCI-005 P1 HRS (na) 2025-1-MLT-003 P1 HRS (Unraveling the enigmatic variability of AE Cir system with SALT) 2026-1-SCI-001 P1 HRS (Tracing evolution of recent stellar merger remnants) 2026-1-MLT-006 P2 RSS (Search for new Galactic symbiotic stars) 2025-2-MLT-012 P2 HRS (x2) (Search for binary stars which may form planetary nebulae.) 2026-1-MLT-007 P2 RSS (x2) (Spectroscopic study of BLAP candidates) 2024-2-MLT-001 P3 HRS (x9) (Spectroscopy of compact heirarchial triples) 2025-2-MLT-013 P3 RSS (Searching for double hydrogen-deficient stars) 2025-2-MLT-004 P3 HRS (x2) (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) 2024-2-LSP-002 P3 RSS (x2) (Pan-African AGN survey using SALT/IFS: tracing the properties of AGN and their host galaxies) 2026-1-MLT-001 P4 HRS (Ovservations of ssrAp stars) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-07-02

SA: Antoine SO: Austun Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The weather kept us closed for most of the night and we only observed 3 blocks. Science data taken for: 2026-1-MLT-002 P1 HRS (HRS-MR spectra of Classical Cepheids ) 2026-1-MLT-006 P3 RSS (Search for new Galactic symbiotic stars) 2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples) ------------------------------------------------------------------------

Night Log 2026-07-01

SA: Moses SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night due to bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-30

SA: Moses SO: Veronica Others: Sibo ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The weather kept us closed for most of the night and we only observed a few blocks. Science data taken for: 2024-2-LSP-001 P2 HRS (Followup of Transients) 2026-1-MLT-001 P3 HRS (Ovservations of ssrAp stars) ------------------------------------------------------------------------

Night Log 2026-06-29

SA: Moses SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night due to bad weather: high humidity No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-28

SA: Moses SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night due to bad weather No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-27

SA: Moses SO: Veronica Others: Sibo, Sunnyboy, Jean, Zwido, Ramotholo, NASSP Winter School Students ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We managed to observe a few during the middle of night, but had to close early due to high humidity. Science data taken for: 2026-1-MLT-002 P3 HRS (HRS-MR spectra of Classical Cepheids ) 2025-2-MLT-001 P3 RSS (Toward a complete census of void galaxy properties in the Local Volume) 2026-1-MLT-001 P3 HRS (x2) (Ovservations of ssrAp stars) 2024-2-MLT-001 P3 HRS (x3) (Spectroscopy of compact heirarchial triples) 2025-2-MLT-012 P3 HRS (x2) (Search for binary stars which may form planetary nebulae.) 2026-1-MLT-006 P4 RSS (Search for new Galactic symbiotic stars) 2025-2-LSP-001 P4 HRS (x3) (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-06-26

SA: Moses SO: Veronica Others: Nico, Danièl, Devakshan, Chrey, Sunnyboy ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We managed to only observe a few blocks tonight, bad weather interrupted the middle portion of the night. Science data taken for: 2026-1-SCI-013 P0 SCAM (Observing new near Earth asteroids) 2026-1-SCI-005 P1 HRS (na) 2025-2-MLT-004 P2 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) 2025-2-LSP-001 P4 HRS (x3) (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-06-25

SA: Moses SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night due to bad weather No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-24

SA: Moses SO: Veronica Others: Danièl ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We only managed to observe a couple of blocks, with thick clouds, rain and high humidity taking turns to keep us closed for most of the night. Science data taken for: 2025-2-MLT-004 P3 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) 2026-1-SCI-018 P3 RSS (Measuring distances to the largest known radio galaxies to understand how black hole jets grow.) 2026-1-MLT-003 P3 RSS (RSS longslit observations of Hickson Compact Groups) ------------------------------------------------------------------------

Night Log 2026-06-23

SA: Lee SO: Fred Others: Nikki, Moses ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Night lost to weather again. No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-22

SA: Lee SO: Fred Others: Nikki, Lisa ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Night lost to weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-21

SA: Lee SO: Fred Others: Nikki ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Night lost to weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-20

SA: Lee SO: Fred Others: Nikki, Lisa, Malcolm, Shan, Jake ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We spent some time on commissioning tasks early on in the night, including some SMI-300 and LFC observations. We spent most of the night closed to high humidity and some thick cloud, completing two blocks in the brief period in between. Science data taken for: 2024-2-COM-002 P1 RSS (This is a commissioning proposal) 2025-1-MLT-004 P1 RSS (x2) (Near-UV and visible spectroscopy of the primitive asteroids) ------------------------------------------------------------------------

Night Log 2026-06-19

SA: Lee SO: Fred Others: Nikki, Lisa, Malcolm, Shan, Jake ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We were closed to bad weather for the first half of the night, but opened just before midnight when the humidity dropped. The seeing was variable, but we managed mostly high priority blocks with a dark moon. Science data taken for: 2026-1-SCI-015 P1 RSS (x3) (Investigation of activity among main-belt objects) 2025-2-MLT-013 P1 RSS (Searching for double hydrogen-deficient stars) 2026-1-SCI-008 P1 RSS (Determining mass of 2 Brown Dwarfs orbiting WD stars using Radial Velocities) 2026-1-SCI-004 P1 HRS (Studying the variable stellar winds of Wolf-Rayet stars) 2026-1-SCI-022 P1 RSS (Identifying targets for follow-up BH dynamical mass measurements) 2026-1-SCI-025 P2 RSS (x2) (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) ------------------------------------------------------------------------

Night Log 2026-06-18

SA: Lee SO: Fred Others: Nikki, E10, Lisa ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Night lost to humidity. No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-17

SA: Lee SO: Fred Others: Nikki, E10, Lisa, Malcolm ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We lost a bit of time at the start of the night due to guider mapping issues, but the rest of the night was fairly smooth. The weather and seeing were excellent, allowing us to complete 12 high priority blocks. Science data taken for: 2026-1-SCI-007 P0 RSS (Observations of Rare and Fast Transients and their Hosts) 2026-1-SCI-010 P0 RSS (High cadence spectroscopy of white dwarf pulsar J191213-44) 2025-2-MLT-011 P0 RSS (Obtaining dynamical information and constraining galaxy cluster merger geometries and timescales) 2025-2-MLT-001 P1 RSS (x2) (Toward a complete census of void galaxy properties in the Local Volume) 2025-1-MLT-003 P1 HRS (Unraveling the enigmatic variability of AE Cir system with SALT) 2025-1-MLT-004 P1 RSS (x3) (Near-UV and visible spectroscopy of the primitive asteroids) 2026-1-SCI-004 P1 HRS (Studying the variable stellar winds of Wolf-Rayet stars) 2026-1-SCI-022 P1 RSS (Identifying targets for follow-up BH dynamical mass measurements) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-06-16

SA: Alexei SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => In the early hours of the night, the telescope was shut down due to high humidity. The humidity then dropped and we began our observations. Most of the observation blocks we observed were high priority and required dark sky conditions for the observations. Science data taken for: 2026-1-SCI-025 P1 RSS (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) 2025-2-MLT-001 P1 RSS (x3) (Toward a complete census of void galaxy properties in the Local Volume) 2026-1-SCI-008 P1 RSS (Determining mass of 2 Brown Dwarfs orbiting WD stars using Radial Velocities) 2026-1-MLT-007 P2 RSS (Spectroscopic study of BLAP candidates) 2026-1-SCI-009 P2 RSS (Extreme variability in the BLR of the AGN HE2129-3356) 2026-1-MLT-006 P2 RSS (Search for new Galactic symbiotic stars) 2025-2-MLT-002 P3 RSS (Study of ionized gas in star-forming dwarf ring galaxies) ------------------------------------------------------------------------

Night Log 2026-06-15

SA: Alexei SO: Veronica Others: Lisa with LC team ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => The whole night was lost because of the bad weather No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-14

SA: Alexei SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => Only one block was observed before the humidity rose above the limit. Science data taken for: 2026-1-SCI-005 P2 HRS (na) ------------------------------------------------------------------------

Night Log 2026-06-13

SA: Alexei SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => Unstable night with high humidity at the beginning. Opened after two hours and observed the rest of the night with very good seeing. Mainly high priority blocks were observed. Science data taken for: 2026-1-SCI-001 P1 HRS (Tracing evolution of recent stellar merger remnants) 2025-2-MLT-004 P1 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) 2026-1-SCI-004 P1 HRS (Studying the variable stellar winds of Wolf-Rayet stars) 2026-1-SCI-005 P2 HRS (x3) (na) 2025-2-MLT-012 P2 HRS (Search for binary stars which may form planetary nebulae.) 2026-1-SCI-021 P2 HRS (Charcaterizing eclisping binaries that have experienced unstable mass transfer) 2026-1-SCI-017 P2 HRS (Studying how outburst accretions stop in protoplanetary discs) 2024-1-MLT-010 P3 HRS (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances) ------------------------------------------------------------------------

Night Log 2026-06-12

SA: Alexei SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => The whole night was lost due to bad weather No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-10

SA: Alexei SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => The whole night was lost due to IT problems No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-09

SA: Danièl SO: Gideon Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => The whole night was lost due to IT problems. No any data were taken. No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-11

SA: Alexei SO: Veronica Others: Daniel, Encarni and Christian remotely ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => The whole night was lost due to IT problems and weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-08

SA: Danièl SO: Gideon Others: Nico (quick mirror check), Shamiel and Thabelo (TCS and then for PDET) ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Thick clouds and high humidity kept us closed for the night. No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-07

SA: Danièl SO: Gideon Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The thick clouds made observing difficult tonight, although we did manage to observe 9 blocks. Science data taken for: 2024-2-COM-002 P1 RSS (This is a commissioning proposal) 2025-1-MLT-004 P1 RSS (x2) (Near-UV and visible spectroscopy of the primitive asteroids) 2024-2-LSP-001 P2 HRS (Followup of Transients) 2026-1-SCI-005 P2 HRS (na) 2026-1-MLT-002 P3 HRS (x2) (HRS-MR spectra of Classical Cepheids ) 2026-1-MLT-006 P4 RSS (Search for new Galactic symbiotic stars) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-06-06

SA: Danièl SO: Gideon Others: Eben (brought the Sun), Shamiel, Dev and Austun (stray segments) ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Thick clouds and stray segments really made life difficult tonight! Once the stray segments where finally sorted, the thick clouds made observing difficult. Science data taken for: 2026-1-SCI-004 P1 HRS (Studying the variable stellar winds of Wolf-Rayet stars) 2024-2-COM-002 P1 RSS (This is a commissioning proposal) 2026-1-SCI-022 P1 RSS (Identifying targets for follow-up BH dynamical mass measurements) 2025-2-MLT-004 P2 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) 2026-1-MLT-006 P2 RSS (Search for new Galactic symbiotic stars) 2025-2-MLT-008 P2 HRS (Monitoring beta Pic for exocomets.) 2026-1-SCI-017 P2 HRS (Studying how outburst accretions stop in protoplanetary discs) 2026-1-MLT-002 P3 HRS (x2) (HRS-MR spectra of Classical Cepheids ) ------------------------------------------------------------------------

Night Log 2026-06-04

SA: Danièl SO: Gideon Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night to bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-03

SA: Danièl SO: Gideon Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night to bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-06-02

SA: Zwidofhela SO: Veronica Others: Danièl & Gideon for handover, Encarni, Lisa, James and Tasheen ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The night was cut short due to bad weather but we managed to observe two P0s and a P2. Science data taken for: 2024-2-LSP-001 P0 RSS (Followup of Transients) 2026-1-DDT-004 P0 RSS (Spectroscopic study of a 7-min periodic compact binary candidate) 2024-2-LSP-001 P2 HRS (Followup of Transients) ------------------------------------------------------------------------

Night Log 2026-06-01

SA: Zwidofhela SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ A long night characterised by bad weather; nevertheless, we managed to observe nine P3 and P4 blocks. Science data taken for: 2024-2-MLT-001 P3 HRS (x2) (Spectroscopy of compact heirarchial triples) 2025-2-MLT-004 P3 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) 2025-2-LSP-001 P4 HRS (x6) (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-05-31

SA: Zwidofhela SO: Veronica Others: Antoine, Rudi, e10 and Anthony ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Telescope problems continued tonight but we managed to observe 16 blocks including a P1 and several P2, P3 and P4s. Science data taken for: 2024-2-COM-002 P1 RSS (x2) (This is a commissioning proposal) 2024-1-MLT-010 P2 HRS (x2) (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances) 2024-2-MLT-001 P3 HRS (x4) (Spectroscopy of compact heirarchial triples) 2026-1-MLT-006 P3 RSS (x3) (Search for new Galactic symbiotic stars) 2025-2-MLT-004 P3 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) 2026-1-MLT-002 P3 HRS (x4) (HRS-MR spectra of Classical Cepheids ) 2025-2-LSP-001 P4 HRS (x2) (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-05-30

SA: Zwidofhela SO: Veronica Others: Danièl, Anthony, Devakshan ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Another long night of observations, we observed 16 blocks including a P0, P2s and several P3 or P4 blocks. Science data taken for: 2026-1-MLT-004 P0 RSS (Observations of supernovae, near and far.) 2026-1-MLT-002 P2 HRS (x3) (HRS-MR spectra of Classical Cepheids ) 2024-2-LSP-001 P2 HRS (Followup of Transients) 2025-2-MLT-008 P2 HRS (Monitoring beta Pic for exocomets.) 2024-2-MLT-001 P3 HRS (x2) (Spectroscopy of compact heirarchial triples) 2025-2-MLT-013 P3 RSS (Searching for double hydrogen-deficient stars) 2025-2-MLT-012 P3 HRS (Search for binary stars which may form planetary nebulae.) 2026-1-MLT-006 P4 RSS (x5) (Search for new Galactic symbiotic stars) 2026-1-SCI-011 P4 RSS (Optical spectroscopy of three stellar merger candidates) ------------------------------------------------------------------------

Night Log 2026-05-29

SA: Zwidofhela SO: Veronica Others: e10, Eben, Thabelo, Michael and Sam ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We are back online after technical problems. The night was cut short due to telescope technical problems but we managed to observe seven blocks -- mostly P2 and P3s. Science data taken for: 2024-1-MLT-010 P1 HRS (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances) 2025-2-MLT-008 P2 HRS (Monitoring beta Pic for exocomets.) 2025-2-MLT-012 P2 HRS (Search for binary stars which may form planetary nebulae.) 2026-1-MLT-007 P2 RSS (Spectroscopic study of BLAP candidates) 2026-1-MLT-002 P3 HRS (HRS-MR spectra of Classical Cepheids ) 2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples) 2026-1-MLT-006 P3 RSS (x2) (Search for new Galactic symbiotic stars) ------------------------------------------------------------------------

Night Log 2026-05-28

SA: Zwidofhela SO: Veronica Others: Antoine, e10, Eben ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We lost the whole night to technical problems and bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-27

SA: Zwidofhela SO: Veronica Others: Thabelo ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost due to telescope technical problems. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-26

SA: Zwidofhela SO: Austun Others: Rudi, Thabelo ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost due to telescope technical problems. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-25

SA: Zwidofhela SO: Austun Others: Rudi ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost to telescope guide track rail problems. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-24

SA: Zwidofhela SO: Austun Others: Rudi, Thabelo ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The night was lost to bad weather (clouds) and technical problems. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-23

SA: Zwidofhela SO: Austun Others: Rudi ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost to bad weather (high humidity) and technical problems. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-22

SA: Zwidofhela SO: Austun Others: Rudi ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost to bad weather and high humidity. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-21

SA: Zwidofhela SO: Austun Others: Rudi, Thabelo, Wimpie, Beeping Sound ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The telescope is still offline due to damaged tracker guide rail problems. No science data were taken. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-20

SA: Zwidofhela SO: Austun Others: Rudi, Lee, Danièl, Steve, Ramotholo, Itumeleng, Brazil Delegations, Duduzile, Lebo, Carel, JC, Koketso, Joleen, Collins ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Night lost to bad weather and no science data were taken. It was a very long night that kicked-off with rain, thunderstorms and hail. Two groups of special guests visited the operations room tonight. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-19

SA: Moses SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night due to bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-18

SA: Moses SO: Veronica Others: Lynn-Joy ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night due to bad weather - thick cloud, high humidity, lightning and a little drizzle. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-17

SA: Moses SO: Veronica Others: Lynn-Joy, Shamiel, Wimpie, The Ghost ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Most of the night had thin to thick clouds around but the seeing was stable and good so we were able to observe many blocks. Science data taken for: 2025-2-MLT-004 P1 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) 2026-1-SCI-022 P1 RSS (x3) (Identifying targets for follow-up BH dynamical mass measurements) 2025-1-MLT-004 P1 RSS (x2) (Near-UV and visible spectroscopy of the primitive asteroids) 2026-1-SCI-010 P1 RSS (High cadence spectroscopy of white dwarf pulsar J191213-44) 2025-2-MLT-013 P2 RSS (Searching for double hydrogen-deficient stars) 2026-1-MLT-006 P2 RSS (x2) (Search for new Galactic symbiotic stars) 2026-1-SCI-005 P2 HRS (na) 2026-1-MLT-002 P2 HRS (x2) (HRS-MR spectra of Classical Cepheids ) 2026-1-MLT-004 P2 RSS (Observations of supernovae, near and far.) 2025-2-MLT-012 P4 HRS (Search for binary stars which may form planetary nebulae.) 2025-2-LSP-001 P4 HRS (x2) (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-05-16

SA: Moses SO: Veronica Others: Lynn-Joy, Wimpie ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Conditions were good and stable tonight, good seeing and mostly clear skies. And despite some trouble with the mirror and IQ we managed to observe many high priority blocks. Science data taken for: 2025-1-MLT-004 P1 RSS (x5) (Near-UV and visible spectroscopy of the primitive asteroids) 2026-1-SCI-025 P1 RSS (x2) (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) 2026-1-SCI-022 P1 RSS (Identifying targets for follow-up BH dynamical mass measurements) 2025-2-MLT-006 P1 RSS (Study of galaxy properties of galaxy group HIPASS 1059-09) 2025-1-MLT-003 P1 HRS (Unraveling the enigmatic variability of AE Cir system with SALT) 2024-1-MLT-010 P1 HRS (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances) 2025-2-MLT-003 P2 RSS (x2) (Searching for UV signatures of outflowing winds in quasars) ------------------------------------------------------------------------

Night Log 2026-05-15

SA: Moses SO: Veronica Others: Lynn-Joy ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The conditions were mostly okay and stable: good seeing and decently clear skies. We managed to observe many high priority blocks despite some problems with the mirror. Science data taken for: 2024-2-LSP-001 P0 RSS (x2) (Followup of Transients) 2026-1-SCI-022 P1 RSS (x4) (Identifying targets for follow-up BH dynamical mass measurements) 2025-1-MLT-004 P1 RSS (x4) (Near-UV and visible spectroscopy of the primitive asteroids) 2026-1-NOIR-001 P1 RSS (Rapid follow-up of supernovae shortly after explosion) 2025-2-MLT-013 P2 RSS (Searching for double hydrogen-deficient stars) 2024-1-MLT-010 P2 HRS (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances) 2026-1-SCI-005 P2 HRS (na) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-05-14

SA: Antoine SO: JC Others: Moses, Lynn-Joy and Wmpie ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We ended our week by having our first full night, but with some technical downtime. However, we managed to observe 13 blocks. Science data taken for: 2026-1-DDT-003 P0 RSS (RSS Spectra of EP260321a) 2026-1-SCI-022 P1 RSS (x6) (Identifying targets for follow-up BH dynamical mass measurements) 2026-1-SCI-004 P1 HRS (x2) (Studying the variable stellar winds of Wolf-Rayet stars) 2024-2-COM-002 P1 RSS (x4) (This is a commissioning proposal) 2025-2-MLT-006 P1 RSS (Study of galaxy properties of galaxy group HIPASS 1059-09) 2026-1-SCI-025 P1 RSS (x2) (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) 2026-1-SCI-017 P1 HRS (Studying how outburst accretions stop in protoplanetary discs) 2025-2-MLT-003 P2 RSS (Searching for UV signatures of outflowing winds in quasars) 2024-2-LSP-002 P3 RSS (Pan-African AGN survey using SALT/IFS: tracing the properties of AGN and their host galaxies) ------------------------------------------------------------------------

Night Log 2026-05-13

SA: Antoine SO: JC Others: Wampie and Michael ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The humidity forced us to close for the first 3 hours and 43 minutes of the night, but after reopening, we managed to observe 11 blocks with good and stable seeing. Science data taken for: 2026-1-MLT-004 P0 RSS (Observations of supernovae, near and far.) 2025-1-MLT-003 P1 HRS (Unraveling the enigmatic variability of AE Cir system with SALT) 2026-1-SCI-017 P1 HRS (Studying how outburst accretions stop in protoplanetary discs) 2026-1-SCI-004 P1 HRS (Studying the variable stellar winds of Wolf-Rayet stars) 2026-1-SCI-022 P1 RSS (x5) (Identifying targets for follow-up BH dynamical mass measurements) 2026-1-SCI-024 P2 RSS (Decoding the star formation history of Arp 261) 2024-2-LSP-002 P3 RSS (Pan-African AGN survey using SALT/IFS: tracing the properties of AGN and their host galaxies) ------------------------------------------------------------------------

Night Log 2026-05-12

SA: Antoine SO: JC Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost due to bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-11

SA: Antoine SO: JC Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost due to bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-10

SA: Antoine SO: JC Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost due to bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-09

SA: Antoine SO: JC Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We managed to observe 6 blocks before dark clouds forced us to close. Science data taken for: 2026-1-DDT-003 P0 RSS (RSS Spectra of EP260321a) 2026-1-MLT-004 P0 RSS (Observations of supernovae, near and far.) 2026-1-SCI-005 P1 HRS (x2) (na) 2024-2-LSP-001 P1 RSS (Followup of Transients) 2026-1-SCI-022 P1 RSS (Identifying targets for follow-up BH dynamical mass measurements) ------------------------------------------------------------------------

Night Log 2026-05-08

SA: Antoine SO: JC Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The humidity forced us to close for the first two and a half hours of the night, but after reopening we managed to observe 10 blocks. Science data taken for: 2026-1-SCI-025 P1 RSS (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) 2026-1-SCI-005 P1 HRS (na) 2024-2-COM-002 P1 RSS (x2) (This is a commissioning proposal) 2026-1-SCI-022 P1 RSS (x3) (Identifying targets for follow-up BH dynamical mass measurements) 2026-1-MLT-002 P1 HRS (HRS-MR spectra of Classical Cepheids ) 2026-1-SCI-004 P1 HRS (x3) (Studying the variable stellar winds of Wolf-Rayet stars) 2026-1-SCI-024 P2 RSS (Decoding the star formation history of Arp 261) ------------------------------------------------------------------------

Night Log 2026-05-07

SA: Antoine SO: JC Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost due to bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-06

SA: Antoine SO: JC Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost due to bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-05

SA: Lee SO: Austun Others: Zwido, JC and Antoine (handover) ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost due to bad weather. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-04

SA: Lee SO: Austun Others: Zwido (in training) ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The whole night was lost due to bad weather. No science data was taken. No science data taken. ------------------------------------------------------------------------

Night Log 2026-05-03

SA: Lee SO: Austun Others: Zwido (training), E10 ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ The night started very bumpy due to PM problems but the weather was good as expected and we observed several P1, P2 and P3 blocks. Science data taken for: 2024-2-COM-002 P1 RSS (This is a commissioning proposal) 2026-1-SCI-001 P1 HRS (Tracing evolution of recent stellar merger remnants) 2024-1-MLT-010 P2 HRS (x2) (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances) 2025-2-MLT-012 P2 HRS (Search for binary stars which may form planetary nebulae.) 2025-2-MLT-008 P2 HRS (Monitoring beta Pic for exocomets.) 2026-1-MLT-002 P3 HRS (x6) (HRS-MR spectra of Classical Cepheids ) 2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples) 2026-1-MLT-004 P3 RSS (x2) (Observations of supernovae, near and far.) 2025-2-MLT-013 P3 RSS (Searching for double hydrogen-deficient stars) ------------------------------------------------------------------------

Night Log 2026-05-02

SA: Lee SO: Austun Others: Zwido (in training) ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ It was another long night with a full Moon and good seeing. We observed both RSS and HRS blocks with P1, P2 and P3 ratings. Science data taken for: 2026-1-MLT-002 P1 HRS (x6) (HRS-MR spectra of Classical Cepheids ) 2026-1-SCI-004 P1 HRS (Studying the variable stellar winds of Wolf-Rayet stars) 2024-1-MLT-010 P2 HRS (x2) (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances) 2025-2-MLT-008 P2 HRS (Monitoring beta Pic for exocomets.) 2026-1-MLT-006 P2 RSS (x5) (Search for new Galactic symbiotic stars) 2026-1-MLT-001 P3 HRS (x2) (Ovservations of ssrAp stars) 2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples) 2025-2-MLT-013 P3 RSS (Searching for double hydrogen-deficient stars) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-05-01

SA: Lee SO: Austun Others: Zwido (taking over) ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ A good start to a new semester of observing with a full Moon. The night started very early during twilight and we observed several blocks throughout the night including one P0 and several P1 and P2s. Science data taken for: 2026-1-DDT-003 P0 RSS (RSS Spectra of EP260321a) 2024-2-COM-002 P1 RSS (This is a commissioning proposal) 2026-1-MLT-002 P1 HRS (x7) (HRS-MR spectra of Classical Cepheids ) 2025-2-MLT-004 P1 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) 2025-2-MLT-012 P2 HRS (x2) (Search for binary stars which may form planetary nebulae.) 2026-1-MLT-006 P2 RSS (x3) (Search for new Galactic symbiotic stars) 2025-2-MLT-008 P2 HRS (Monitoring beta Pic for exocomets.) 2024-1-MLT-010 P2 HRS (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances) 2026-1-MLT-001 P3 HRS (x2) (Ovservations of ssrAp stars) 2024-2-MLT-001 P3 HRS (x2) (Spectroscopy of compact heirarchial triples) ------------------------------------------------------------------------

Night Log 2026-04-30

SA: Lee SO: Austun Others: Zwido (in drivers seat), Lisa ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ A great night for science, the night started very slowly but we managed to observe 12 blocks including one P0 and several P1 to P4s. Science data taken for: 2025-2-SCI-012 P0 HRS (Unveiling Composition and Winds in an Exoplanet's Dayside Atmosphere) 2025-2-MLT-013 P1 RSS (x2) (Searching for double hydrogen-deficient stars) 2026-1-MLT-002 P1 HRS (x3) (HRS-MR spectra of Classical Cepheids ) 2024-2-LSP-001 P2 HRS (Followup of Transients) 2025-2-SCI-038 P2 HRS (Identifying Be eclipsing binaries) 2024-1-MLT-010 P2 HRS (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances) 2025-2-SCI-003 P3 HRS (x2) (Cosmic dance of massive triple) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-04-29

SA: Lee SO: Austun Others: Zwido ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We managed only 3 blocks before closing to thick cloud. Science data taken for: 2025-1-MLT-001 P0 RSS (Observations of supernovae, near and far.) 2026-1-MLT-002 P1 HRS (HRS-MR spectra of Classical Cepheids ) 2024-2-LSP-001 P2 HRS (Followup of Transients) ------------------------------------------------------------------------

Night Log 2026-04-28

SA: Alexei SO: Veronica Others: Lee, Zwido and Austin to handover ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => Night with bright moon and rising humidity. Were closed by humidity before midnight. Anywhere, observed two P0 blocks. Science data taken for: 2025-1-MLT-001 P0 RSS (x2) (Observations of supernovae, near and far.) 2026-1-MLT-002 P1 HRS (x2) (HRS-MR spectra of Classical Cepheids ) ------------------------------------------------------------------------

Night Log 2026-04-27

SA: Alexei SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => Some amount of blocks were done before we were closed by humidity. Science data taken for: 2026-1-MLT-002 P1 HRS (x2) (HRS-MR spectra of Classical Cepheids ) 2024-2-LSP-001 P2 HRS (Followup of Transients) 2024-1-MLT-010 P2 HRS (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances) 2025-1-MLT-001 P3 RSS (Observations of supernovae, near and far.) ------------------------------------------------------------------------

Night Log 2026-04-26

SA: Alexei SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => The whole night lost due to weather No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-25

SA: Alexei SO: Veronica Others: SMI300 team ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We had a stable night with good seeing and managed to observe many blocks across mixed priorities. Science data taken for: 2024-2-COM-002 P1 RSS (x6) (This is a commissioning proposal) 2026-1-MLT-002 P1 HRS (HRS-MR spectra of Classical Cepheids ) 2025-2-MLT-013 P1 RSS (Searching for double hydrogen-deficient stars) 2025-1-MLT-003 P1 HRS (Unraveling the enigmatic variability of AE Cir system with SALT) 2024-2-LSP-001 P2 HRS (Followup of Transients) 2025-1-MLT-001 P3 RSS (Observations of supernovae, near and far.) 2025-2-SCI-003 P3 HRS (Cosmic dance of massive triple) 2025-2-MLT-002 P3 RSS (Study of ionized gas in star-forming dwarf ring galaxies) ------------------------------------------------------------------------

Night Log 2026-04-24

SA: Alexei SO: Veronica Others: SMI300 team ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => The whole night was lost due to weather. Only some calibrations were taken during evening twilight time. Science data taken for: 2024-2-COM-002 P1 RSS (This is a commissioning proposal) ------------------------------------------------------------------------

Night Log 2026-04-23

SA: Alexei SO: Veronica Others: Day-team to install RSS back, Antoine & K for work with SMI300 ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => Some blocks were observed before we were closed by humidity and clouds. Science data taken for: 2024-2-COM-002 P1 RSS (x2) (This is a commissioning proposal) ------------------------------------------------------------------------

Night Log 2026-04-22

SA: Alexei SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ => Unstable night with very bad seeing and rising humidity. We were closed by humidity at about midnight. Some low priority blocks were observed Science data taken for: 2025-1-COM-001 P1 HRS (HRS HS Commissioning ) 2025-2-MLT-012 P2 HRS (Search for binary stars which may form planetary nebulae.) 2024-2-LSP-001 P2 HRS (Followup of Transients) 2025-2-SCI-003 P3 HRS (x2) (Cosmic dance of massive triple) 2025-2-SCI-004 P4 HRS (observations of ssrAp stars) 2025-2-LSP-001 P4 HRS (x4) (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-04-21

SA: Rudi SO: Austun Others: Zwido (in training) ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ High humidity prevented us from getting any science data. No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-20

SA: Rudi SO: Austun Others: Zwido ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Telescope still offline due to technical problems, but the weather would not have allowed us to open anyway. No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-19

SA: Rudi SO: Austun Others: Zwido ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Telescope offline due to technical problems, but the weather prevented us from opening even if the telescope was ready. No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-18

SA: Rudi SO: Austun Others: Zwido, Rudi guests ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Technical problems prevented us from opening up tonight. No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-17

SA: Rudi SO: Austun Others: Zwido, Antoine for SMI Pre-commissioning task with pinhole test. Shamin ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ High winds, high humidity and clouds kept us closed all night. No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-16

SA: Rudi SO: Austun Others: Zwido ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ High humidity and clouds prevented us from opening up tonight. No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-15

SA: Rudi SO: Austun Others: Zwido (in the driving seat), Cornelius ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We managed to get a number of mixed priority blocks observed before the humidity forced us to close just after midnight. Conditions were good up to that point with stable seeing and very little wind. Science data taken for: 2025-1-COM-001 P1 HRS (HRS HS Commissioning ) 2024-2-LSP-001 P2 HRS (Followup of Transients) 2025-1-MLT-001 P2 RSS (Observations of supernovae, near and far.) 2025-2-SCI-039 P2 RSS (x2) (Optical and near-infrared IFU observations of nearby starbursts and LIRGs) 2025-2-SCI-019 P3 RSS (Probing CGM Response to Quasar Variability) 2025-2-SCI-014 P3 RSS (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-04-14

SA: Antoine SO: Veronica Others: Austun, Rudi, Zwido and Machael ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We managed to observe 6 blocks before high wind speeds and high humidity forced us to close. Science data taken for: 2025-2-SCI-021 P1 RSS (x2) (Investigation of activity among main-belt objects) 2024-2-LSP-001 P2 HRS (Followup of Transients) 2025-1-MLT-001 P2 RSS (Observations of supernovae, near and far.) 2024-2-LSP-001 P2 RSS (Followup of Transients) 2025-2-SCI-004 P3 HRS (observations of ssrAp stars) ------------------------------------------------------------------------

Night Log 2026-04-13

SA: Antoine SO: Veronica Others: Lisa for HRS calibration data, E10, Sunnyboy and Iriwaan ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We had a stable night with good seeing and managed to observe many blocks across mixed priorities. Science data taken for: 2025-2-DDT-004 P0 RSS (RSS Spectra of EP260321a) 2025-2-SCI-012 P0 HRS (x2) (Unveiling Composition and Winds in an Exoplanet's Dayside Atmosphere) 2025-1-MLT-001 P0 RSS (Observations of supernovae, near and far.) 2025-2-MLT-006 P1 RSS (Study of galaxy properties of galaxy group HIPASS 1059-09) 2025-2-SCI-039 P1 RSS (Optical and near-infrared IFU observations of nearby starbursts and LIRGs) 2024-2-LSP-002 P1 RSS (Pan-African AGN survey using SALT/IFS: tracing the properties of AGN and their host galaxies) 2025-2-SCI-021 P1 RSS (x2) (Investigation of activity among main-belt objects) 2025-2-LSP-003 P2 RSS (x2) (Investigating the polarised nature of TeV-emitting blazars) 2025-1-MLT-003 P2 HRS (Unraveling the enigmatic variability of AE Cir system with SALT) 2025-2-SCI-003 P3 HRS (x2) (Cosmic dance of massive triple) 2025-2-SCI-006 P3 HRS (Measuring Lithium abundances in UMa candidate stars) ------------------------------------------------------------------------

Night Log 2026-04-12

SA: Antoine SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night due to bad weather - high humidity and clouds No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-11

SA: Antoine SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night due to bad weather - high humidity, clouds and rain No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-10

SA: Antoine SO: Veronica Others: E10 ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ Lost the whole night due to bad weather - high humidity, clouds and rain No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-09

SA: Antoine SO: Veronica Others: Daniel and e10 ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We lost a part of the night to clouds, but we were able to observe some blocks in good conditions. Science data taken for: 2024-2-LSP-001 P0 RSS (Followup of Transients) 2025-2-MLT-011 P1 RSS (Obtaining dynamical information and constraining galaxy cluster merger geometries and timescales) 2025-2-SCI-021 P1 RSS (x3) (Investigation of activity among main-belt objects) 2024-2-LSP-001 P2 HRS (Followup of Transients) 2025-2-SCI-039 P2 RSS (x2) (Optical and near-infrared IFU observations of nearby starbursts and LIRGs) 2025-2-LSP-003 P2 RSS (Investigating the polarised nature of TeV-emitting blazars) 2025-2-SCI-006 P2 HRS (Measuring Lithium abundances in UMa candidate stars) 2025-2-SCI-003 P3 HRS (x2) (Cosmic dance of massive triple) 2025-2-MLT-004 P3 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants) ------------------------------------------------------------------------

Night Log 2026-04-08

SA: Antoine SO: Veronica Others: ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We lost the whole night due to bad weather No science data taken. ------------------------------------------------------------------------

Night Log 2026-04-07

SA: Moses SO: Austun Others: Antoine, Wimpie ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We had a night with mostly good weather and reasonable seeing and managed to observe many blocks. Science data taken for: 2025-2-MLT-011 P1 RSS (Obtaining dynamical information and constraining galaxy cluster merger geometries and timescales) 2025-1-MLT-001 P2 RSS (Observations of supernovae, near and far.) 2025-2-SCI-016 P3 RSS (x2) (Observing rare and fast transients.) 2025-2-LSP-003 P3 RSS (x2) (Investigating the polarised nature of TeV-emitting blazars) 2025-2-SCI-014 P3 RSS (We are probing the large scale outflows in bright quasars through absorption spectroscopy.) 2025-2-SCI-039 P3 RSS (x2) (Optical and near-infrared IFU observations of nearby starbursts and LIRGs) 2025-2-SCI-019 P3 RSS (x2) (Probing CGM Response to Quasar Variability) 2025-2-MLT-013 P4 RSS (Searching for double hydrogen-deficient stars) 2020-1-MLT-008 P4 RSS (Obtaining redshifts for G4Jy sources - the brightest radio galaxies in the southern sky) ------------------------------------------------------------------------

Night Log 2026-04-06

SA: Moses SO: Austun Others: Antoine for SMI-200 ------------------------------------------------------------------------ Summary ------------------------------------------------------------------------ We managed to observe a few blocks at the start of the night despite some poor seeing. The humidity rose and caused us to close for the second half of the night. Science data taken for: 2024-2-LSP-001 P2 HRS (Followup of Transients) 2025-1-MLT-001 P2 RSS (Observations of supernovae, near and far.) 2023-2-MLT-005 P4 HRS (Monitoring the activity of Be/X-ray binaries in the southern hemisphere) 2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue) ------------------------------------------------------------------------

Night Log 2026-04-05

SA: Moses
SO: Austun
Others: Anthony

------------------------------------------------------------------------
Summary
------------------------------------------------------------------------

We observed a mix of high and low priority blocks at the start of the night and then were closed due to high humidity for the later part of the night.

Science data taken for:
2025-2-DDT-004 P0 RSS (RSS Spectra of EP260321a)
2025-1-MLT-001 P2 RSS (x2) (Observations of supernovae, near and far.)
2023-2-MLT-005 P4 RSS (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)
2024-2-SCI-025 P4 HRS (Looking for proto hot Jupiters)
2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue)

------------------------------------------------------------------------

Night Log 2026-04-04

SA: Moses
SO: Austun
Others: Wimpie

------------------------------------------------------------------------
Summary
------------------------------------------------------------------------

We lost the first part of the night to high humidity, but we were able to observe during the second half of the night in good conditions.

Science data taken for:
2024-2-LSP-001 P2 HRS (Followup of Transients)
2025-1-MLT-001 P2 RSS (x2) (Observations of supernovae, near and far.)
2025-2-SCI-038 P2 HRS (Identifying Be eclipsing binaries)
2025-2-LSP-001 P4 HRS (x3) (Defining a new chemically peculiar star catalogue)
2025-2-MLT-013 P4 RSS (Searching for double hydrogen-deficient stars)
2023-2-MLT-005 P4 RSS (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)
2025-2-SCI-003 P4 HRS (Cosmic dance of massive triple)

------------------------------------------------------------------------

Night Log 2026-04-03

SA: Moses
SO: Austun
Others: Antoine

------------------------------------------------------------------------
Summary
------------------------------------------------------------------------

Lost the whole night due to bad weather - high humidity

No science data taken.

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Night Log 2026-04-02

SA: Moses
SO: Austun
Others:

------------------------------------------------------------------------
Summary
------------------------------------------------------------------------

We lost the whole night due to bad weather

No science data taken.

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Night Log 2026-04-01

SA: Moses
SO: Austun
Others:

------------------------------------------------------------------------
Summary
------------------------------------------------------------------------

We barely managed to observe two P0s in poor conditions before we were forced to close for the rest of the night due to thick clouds.

Science data taken for:
2025-2-DDT-004 P0 RSS (RSS Spectra of EP260321a)
2024-2-LSP-001 P0 HRS (Followup of Transients)

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Night Log 2026-03-31

SA: Moses
SO: Fred
Others: Austun

------------------------------------------------------------------------
Summary
------------------------------------------------------------------------

We had a clear night with mostly good seeing and managed to observe many blocks of mixed priorities.

Science data taken for:
2024-2-LSP-001 P0 RSS (Followup of Transients)
2025-2-SCI-038 P2 HRS (Identifying Be eclipsing binaries)
2025-2-MLT-013 P2 RSS (Searching for double hydrogen-deficient stars)
2024-2-LSP-001 P2 HRS (Followup of Transients)
2025-1-MLT-001 P3 RSS (x2) (Observations of supernovae, near and far.)
2025-2-SCI-003 P3 HRS (x4) (Cosmic dance of massive triple)
2025-2-MLT-004 P3 HRS (x2) (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants)
2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples)
2025-2-LSP-001 P4 HRS (x2) (Defining a new chemically peculiar star catalogue)
2020-1-MLT-008 P4 RSS (Obtaining redshifts for G4Jy sources - the brightest radio galaxies in the southern sky)
2023-2-MLT-005 P4 HRS (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)
2025-2-SCI-004 P4 HRS (observations of ssrAp stars)
2023-2-MLT-005 P4 RSS (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)

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Night Log 2026-03-30

SA: Alexei
SO: Fred
Others: Eben, Thabelo and Anthony

------------------------------------------------------------------------
Summary
------------------------------------------------------------------------

=> It was an unsettled night with a bright moon, rising humidity and poor seeing. Consequently, most of the observed blocks were low priority. However, around 30% of the blocks were high priority, and one P0-priority block was even observed.

Science data taken for:
2025-1-MLT-001 P0 RSS (Observations of supernovae, near and far.)
2024-2-LSP-001 P2 HRS (Followup of Transients)
2025-2-SCI-038 P2 HRS (Identifying Be eclipsing binaries)
2025-2-MLT-013 P2 RSS (x2) (Searching for double hydrogen-deficient stars)
2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples)
2024-1-MLT-010 P3 HRS (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances)
2025-2-SCI-003 P3 HRS (x3) (Cosmic dance of massive triple)
2025-2-LSP-001 P4 HRS (x2) (Defining a new chemically peculiar star catalogue)
2025-2-SCI-004 P4 HRS (observations of ssrAp stars)
2023-2-MLT-005 P4 HRS (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)

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Night Log 2026-03-29

SA: Moses
SO: Fred
Others: Jean

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Summary
------------------------------------------------------------------------

The seeing was excellent and stable for most of the night and we had clear skies and a relatively smooth night. We took advantage of this and observed many blocks, including a P0.

Science data taken for:
2025-1-MLT-001 P0 RSS (x2) (Observations of supernovae, near and far.)
2025-2-SCI-038 P2 HRS (Identifying Be eclipsing binaries)
2024-2-LSP-001 P2 HRS (Followup of Transients)
2025-2-MLT-004 P2 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants)
2024-2-LSP-001 P3 RSS (x4) (Followup of Transients)
2025-2-SCI-003 P3 HRS (x3) (Cosmic dance of massive triple)
2025-2-SCI-031 P3 RSS (Redshifts of candidate TeV blazars)
2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples)
2025-2-SCI-009 P3 HRS (High resolution spectrocopy of Type II Cepheids)
2025-2-MLT-010 P4 HRS (SA-China Exoplanet Collaboration PASTA)
2023-2-MLT-005 P4 RSS (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)
2020-1-MLT-008 P4 RSS (Obtaining redshifts for G4Jy sources - the brightest radio galaxies in the southern sky)

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Night Log 2026-03-28

SA: Lee
SO: Fred
Others: Thabelo, Eben, Austun

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Summary
------------------------------------------------------------------------

We lost a bit of time to technical issues tonight, but still completed several blocks with very good seeing and clear skies.

Science data taken for:
2025-1-MLT-001 P0 RSS (Observations of supernovae, near and far.)
2025-2-SCI-024 P1 RSS (Investigating accretion and outflow activity in a massive protostellar core)
2025-2-SCI-023 P2 RSS (Measuring the orbit and disc of a neutron star X-ray binary)
2025-2-LSP-003 P2 RSS (x2) (Investigating the polarised nature of TeV-emitting blazars)
2024-2-LSP-001 P2 HRS (Followup of Transients)
2024-2-LSP-001 P3 RSS (x3) (Followup of Transients)
2025-2-MLT-004 P3 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants)

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Night Log 2026-03-27

SA: Lee
SO: Fred
Others:

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Summary
------------------------------------------------------------------------

A productive night with good seeing, which started off with two P0's. We lost an hour or so to cloud just after midnight, but had no technical issues. Many blocks were completed.

Science data taken for:
2025-1-MLT-001 P0 RSS (Observations of supernovae, near and far.)
2025-2-DDT-004 P0 RSS (RSS Spectra of EP260321a)
2024-2-LSP-001 P2 HRS (Followup of Transients)
2025-2-LSP-003 P2 RSS (x2) (Investigating the polarised nature of TeV-emitting blazars)
2025-2-SCI-009 P2 HRS (High resolution spectrocopy of Type II Cepheids)
2025-2-SCI-006 P2 HRS (Measuring Lithium abundances in UMa candidate stars)
2025-2-MLT-012 P2 HRS (Search for binary stars which may form planetary nebulae.)
2025-2-SCI-038 P2 HRS (Identifying Be eclipsing binaries)
2025-2-SCI-026 P2 RSS (What galaxies cause odd radio circles (ORCs)?)
2024-2-LSP-001 P3 RSS (Followup of Transients)
2024-1-MLT-010 P3 HRS (x2) (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances)

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Night Log 2026-03-26

SA: Lee
SO: Fred
Others: Moses

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Summary
------------------------------------------------------------------------

We only managed one block before we were closed by cloud and rain.

Science data taken for:
2025-1-COM-001 P1 HRS (HRS HS Commissioning )
2024-2-LSP-001 P2 HRS (Followup of Transients)

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Night Log 2026-03-25

SA: Lee
SO: Fred
Others: Thabelo

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Summary
------------------------------------------------------------------------

A smooth night with good seeing to start off our week. No technical issues to report. We completed many high priority blocks.

Science data taken for:
2025-2-SCI-017 P1 RSS ("Understanding the peculiar collision geometry of the Cartwheel system")
2025-2-SCI-021 P1 RSS (x2) (Investigation of activity among main-belt objects)
2025-2-SCI-023 P1 RSS (Measuring the orbit and disc of a neutron star X-ray binary)
2025-2-SCI-008 P1 HRS (x2) (Update on low-mass merger remnants.)
2024-2-LSP-001 P2 HRS (Followup of Transients)
2024-2-SCI-025 P2 HRS (Looking for proto hot Jupiters)
2025-1-MLT-003 P2 HRS (Unraveling the enigmatic variability of AE Cir system with SALT)
2025-2-LSP-003 P2 RSS (Investigating the polarised nature of TeV-emitting blazars)
2024-2-LSP-001 P3 RSS (x3) (Followup of Transients)
2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue)

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Night Log 2026-03-24

SA: Alexei
SO: Fred
Others:

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Summary
------------------------------------------------------------------------

=> An unsettled night with clouds and rising humidity. We closed the telescope after midnight due to the humidity. However, we observed two P0 priority blocks.

Science data taken for:
2025-2-SCI-016 P0 RSS (x2) (Observing rare and fast transients.)
2025-2-SCI-017 P2 RSS ("Understanding the peculiar collision geometry of the Cartwheel system")

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Night Log 2026-03-23

SA: Alexei
SO: Fred
Others:

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Summary
------------------------------------------------------------------------

=> The whole night was lost because of the bad weather.

No science data taken.

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Night Log 2026-03-22

SA: Alexei
SO: Fred
Others:

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Summary
------------------------------------------------------------------------

=> A magnificent dark night with stable weather and good image quality. Seventeen blocks were observed, most of which were high priority, and two of them were P0.

Science data taken for:
2025-1-MLT-001 P0 RSS (Observations of supernovae, near and far.)
2024-2-LSP-001 P0 RSS (x4) (Followup of Transients)
2025-2-SCI-021 P1 RSS (x5) (Investigation of activity among main-belt objects)
2025-2-MLT-011 P1 RSS (Obtaining dynamical information and constraining galaxy cluster merger geometries and timescales)
2025-2-SCI-017 P2 RSS ("Understanding the peculiar collision geometry of the Cartwheel system")
2025-2-SCI-038 P2 HRS (Identifying Be eclipsing binaries)
2025-2-SCI-001 P3 RSS (Observational program to srudy variations of Dark Matter Fraction among Galaxies)
2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples)
2025-2-MLT-002 P3 RSS (Study of ionized gas in star-forming dwarf ring galaxies)
2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue)

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Night Log 2026-03-21

SA: Alexei
SO: Fred
Others: Michael, Sam, Sunnyboy, Austin, Devakshan

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Summary
------------------------------------------------------------------------

=> A night of good and very good seeing, with humidity steadily rising. We closed the telescope for two and a half hours after midnight and opened it again for the final hour and a half. Mainly high priority blocks were observed.

Science data taken for:
2025-2-MLT-009 P1 RSS (Spectroscopy of ultra-diffuse galaxies)
2025-2-SCI-039 P1 RSS (Optical and near-infrared IFU observations of nearby starbursts and LIRGs)
2024-2-LSP-001 P2 HRS (Followup of Transients)
2024-2-LSP-001 P2 RSS (x3) (Followup of Transients)
2025-2-SCI-003 P3 HRS (Cosmic dance of massive triple)
2025-2-SCI-034 P3 RSS (Probing magnetic field strength in mangnetic CVs)

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Night Log 2026-03-20

SA: Alexei
SO: Fred
Others:

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Summary
------------------------------------------------------------------------

=> Only one block was observed before we were closed by humidity.

Science data taken for:
2024-2-LSP-001 P1 RSS (Followup of Transients)

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Night Log 2026-03-19

SA: Alexei
SO: Fred
Others:

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Summary
------------------------------------------------------------------------

=> The whole night was lost because of the bad weather.

No science data taken.

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Night Log 2026-03-18

SA: Alexei
SO: Fred
Others:

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Summary
------------------------------------------------------------------------

=> Unstable dark time night. All night we observed with thin clouds and were closed by humidity for about three hours. Anyway, we observed eight blocks of different priorities.

Science data taken for:
2025-2-MLT-006 P1 RSS (Study of galaxy properties of galaxy group HIPASS 1059-09)
2025-1-MLT-003 P1 HRS (Unraveling the enigmatic variability of AE Cir system with SALT)
2025-2-SCI-006 P2 HRS (Measuring Lithium abundances in UMa candidate stars)
2024-2-SCI-025 P2 HRS (Looking for proto hot Jupiters)
2024-2-LSP-001 P2 RSS (Followup of Transients)
2024-1-MLT-010 P3 HRS (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances)
2025-2-LSP-003 P3 RSS (Investigating the polarised nature of TeV-emitting blazars)
2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples)

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Night Log 2026-03-17

SA: Antoine
SO: Veronica
Others:

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Summary
------------------------------------------------------------------------

Lost the whole night due to bad weather.

No science data taken.

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Night Log 2026-03-16

SA: Antoine
SO: Veronica
Others:

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Summary
------------------------------------------------------------------------

Lost the whole night due to bad weather.

No science data taken.

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Night Log 2026-03-15

SA: Antoine
SO: Veronica
Others:

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Summary
------------------------------------------------------------------------

Lost the whole night due to bad weather. Dark scattered clouds

No science data taken.

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Night Log 2026-03-14

SA: Antoine
SO: Veronica
Others:

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Summary
------------------------------------------------------------------------

Most of the night was lost due to the clouds, and we only manged to observer 5 blocks.

Science data taken for:
2024-2-LSP-001 P2 HRS (Followup of Transients)
2025-2-MLT-006 P3 RSS (Study of galaxy properties of galaxy group HIPASS 1059-09)
2025-2-SCI-003 P3 HRS (x3) (Cosmic dance of massive triple)

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Night Log 2026-03-13

SA: Antoine
SO: Veronica
Others:

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Summary
------------------------------------------------------------------------

Due to thick and dark clouds, we only managed to observe three blocks.

Science data taken for:
2025-2-MLT-011 P1 RSS (x2) (Obtaining dynamical information and constraining galaxy cluster merger geometries and timescales)
2025-2-LSP-003 P3 RSS (Investigating the polarised nature of TeV-emitting blazars)

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Night Log 2026-03-12

SA: Antoine
SO: Veronica
Others:

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Summary
------------------------------------------------------------------------

The night was cut short by dark clouds. We had good seeing until then, and managed to observed many blocks with different priorities.

Science data taken for:
2025-2-SCI-006 P1 HRS (Measuring Lithium abundances in UMa candidate stars)
2025-1-MLT-001 P2 RSS (Observations of supernovae, near and far.)
2025-2-MLT-004 P2 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants)
2025-2-MLT-013 P2 RSS (Searching for double hydrogen-deficient stars)
2024-2-LSP-001 P2 HRS (Followup of Transients)
2024-2-MLT-001 P3 HRS (Spectroscopy of compact heirarchial triples)
2025-2-SCI-003 P3 HRS (x3) (Cosmic dance of massive triple)
2025-2-SCI-019 P3 RSS (Probing CGM Response to Quasar Variability)
2024-1-MLT-010 P3 HRS (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances)

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Night Log 2026-03-11

SA: Antoine
SO: Veronica
Others: Lisa, John, Malcolm and LFC team

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Summary
------------------------------------------------------------------------

A full night of observing in relatively good seeing conditions to start off our week. We managed to observed many blocks with different priorities. No technical downtime tonight.

Science data taken for:
2024-2-MLT-006 P1 HRS (HRS observations of a high mass binary system.)
2025-2-MLT-011 P1 RSS (x2) (Obtaining dynamical information and constraining galaxy cluster merger geometries and timescales)
2024-2-LSP-001 P2 HRS (Followup of Transients)
2025-1-MLT-001 P2 RSS (Observations of supernovae, near and far.)
2025-2-MLT-004 P2 HRS (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants)
2025-2-LSP-003 P2 RSS (x4) (Investigating the polarised nature of TeV-emitting blazars)
2025-2-SCI-006 P2 HRS (Measuring Lithium abundances in UMa candidate stars)
2025-2-MLT-013 P2 RSS (Searching for double hydrogen-deficient stars)
2025-2-SCI-001 P3 RSS (x2) (Observational program to srudy variations of Dark Matter Fraction among Galaxies)
2024-2-MLT-001 P3 HRS (x2) (Spectroscopy of compact heirarchial triples)

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Night Log 2026-03-10

SA: Moses
SO: techops
Others: Gideon (SO), Michael, Antoine, Veronica, LFC team, Students, Rudi

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Summary
------------------------------------------------------------------------

It was a night... we managed to observe many blocks inbetween a few problems and some reasonably stable conditions.

Science data taken for:
2025-2-MLT-011 P0 RSS (x2) (Obtaining dynamical information and constraining galaxy cluster merger geometries and timescales)
2024-2-COM-002 P1 RSS (This is a commissioning proposal)
2025-2-MLT-012 P2 HRS (Search for binary stars which may form planetary nebulae.)
2024-2-LSP-001 P2 HRS (Followup of Transients)
2025-2-SCI-014 P3 RSS (x3) (We are probing the large scale outflows in bright quasars through absorption spectroscopy.)
2025-2-SCI-001 P3 RSS (Observational program to srudy variations of Dark Matter Fraction among Galaxies)
2025-2-LSP-001 P4 HRS (x2) (Defining a new chemically peculiar star catalogue)
2025-2-SCI-033 P4 HRS (Two transiting TESS triple planet systems composed of super-Earths involved in two-body 3:2 MMRs.)

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Night Log 2026-03-09

SA: Moses
SO: techops
Others: Gideon (SO), Austun, Rudi, Michael, Wimpie

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Summary
------------------------------------------------------------------------

We had a relatively smooth night with good seeing and thin cloud to clear conditions. We managed to observe many blocks of mixed priorities.

Science data taken for:
2024-2-LSP-001 P0 RSS (Followup of Transients)
2025-2-SCI-019 P2 RSS (Probing CGM Response to Quasar Variability)
2025-2-SCI-009 P2 HRS (High resolution spectrocopy of Type II Cepheids)
2025-2-SCI-031 P2 RSS (Redshifts of candidate TeV blazars)
2025-2-MLT-006 P3 RSS (Study of galaxy properties of galaxy group HIPASS 1059-09)
2025-2-SCI-014 P3 RSS (x4) (We are probing the large scale outflows in bright quasars through absorption spectroscopy.)
2023-2-MLT-005 P4 RSS (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)

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Night Log 2026-03-08

SA: Moses
SO: techops
Others: Gideon (SO), Wimpie, LFC team

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Summary
------------------------------------------------------------------------

We had a clear night with variable seeing and we managed to observe many blocks of mixed priority.

Science data taken for:
2024-2-LSP-001 P0 RSS (Followup of Transients)
2025-2-SCI-014 P1 RSS (x2) (We are probing the large scale outflows in bright quasars through absorption spectroscopy.)
2024-2-COM-002 P1 RSS (This is a commissioning proposal)
2025-1-MLT-002 P2 RSS (Tracking Accretion Flows via BLR Emission in Changing-Look Active Galactic Nuclei)
2025-2-SCI-009 P2 HRS (High resolution spectrocopy of Type II Cepheids)
2025-2-LSP-003 P2 RSS (x2) (Investigating the polarised nature of TeV-emitting blazars)
2025-1-MLT-003 P2 HRS (Unraveling the enigmatic variability of AE Cir system with SALT)
2025-2-MLT-006 P3 RSS (Study of galaxy properties of galaxy group HIPASS 1059-09)
2025-2-SCI-010 P3 RSS (Optical spectroscopy of blazars for the CTAO project)
2025-2-SCI-003 P3 HRS (Cosmic dance of massive triple)
2021-2-MLT-004 P4 RSS (Spectropolarimetric Monitoring of eta Car)
2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue)

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Night Log 2026-03-07

SA: Moses
SO: techops
Others: Gideon (SO). Aza, Anthony, Wimpie, Waanie

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Summary
------------------------------------------------------------------------

We had clear skies but fought with poor and variable seeing throughout the night. We observed many low and mid priority blocks.

Science data taken for:
2025-1-MLT-001 P0 RSS (Observations of supernovae, near and far.)
2024-2-MLT-006 P1 HRS (HRS observations of a high mass binary system.)
2025-2-SCI-006 P2 HRS (Measuring Lithium abundances in UMa candidate stars)
2025-2-MLT-006 P3 RSS (Study of galaxy properties of galaxy group HIPASS 1059-09)
2021-2-MLT-004 P4 RSS (x6) (Spectropolarimetric Monitoring of eta Car)
2025-2-LSP-001 P4 HRS (x2) (Defining a new chemically peculiar star catalogue)
2025-2-SCI-004 P4 HRS (observations of ssrAp stars)
2023-2-MLT-005 P4 HRS (x2) (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)

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Night Log 2026-03-06

SA: Moses
SO: techops
Others: Gideon

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Summary
------------------------------------------------------------------------

Lost the whole night due to bad weather. High humidity, thick clouds.

No science data taken.

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Night Log 2026-03-05

SA: Moses
SO: techops
Others: Gideon (SO), Thabelo

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Summary
------------------------------------------------------------------------

We had clear night with mostly good seeing. We observed many blocks until the humidity caused us to close when we were close to twilight.

Science data taken for:
2025-1-MLT-001 P2 RSS (Observations of supernovae, near and far.)
2025-2-SCI-003 P2 HRS (x5) (Cosmic dance of massive triple)
2025-2-SCI-025 P3 RSS (RSS spectropolarimetry of Herbig Be stars at H? to trace accretion geometry.)
2025-2-SCI-009 P3 HRS (High resolution spectrocopy of Type II Cepheids)
2024-2-MLT-001 P3 HRS (x2) (Spectroscopy of compact heirarchial triples)
2025-2-SCI-029 P3 HRS (High resolution spectroscopy of asteroseismic targets)
2023-2-MLT-005 P4 RSS (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)
2025-2-LSP-001 P4 HRS (Defining a new chemically peculiar star catalogue)
2024-2-SCI-025 P4 HRS (Looking for proto hot Jupiters)
2020-1-MLT-008 P4 RSS (Obtaining redshifts for G4Jy sources - the brightest radio galaxies in the southern sky)
2025-2-MLT-012 P4 HRS (Search for binary stars which may form planetary nebulae.)

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Night Log 2026-03-04

SA: Moses
SO: techops
Others: Gideon (SO). Lisa, Malcolm, LFC Team

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Summary
------------------------------------------------------------------------

We had a stable night with good seeing and managed to observe many low priority blocks.

Science data taken for:
2025-1-MLT-001 P2 RSS (x2) (Observations of supernovae, near and far.)
2024-2-MLT-001 P3 HRS (x3) (Spectroscopy of compact heirarchial triples)
2025-2-SCI-003 P3 HRS (x3) (Cosmic dance of massive triple)
2025-2-SCI-009 P3 HRS (High resolution spectrocopy of Type II Cepheids)
2025-2-SCI-025 P3 RSS (x3) (RSS spectropolarimetry of Herbig Be stars at H? to trace accretion geometry.)
2025-2-MLT-013 P3 RSS (Searching for double hydrogen-deficient stars)
2023-2-MLT-005 P4 HRS (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)
2025-2-SCI-033 P4 HRS (Two transiting TESS triple planet systems composed of super-Earths involved in two-body 3:2 MMRs.)
2021-2-MLT-004 P4 RSS (Spectropolarimetric Monitoring of eta Car)
2020-1-MLT-008 P4 RSS (Obtaining redshifts for G4Jy sources - the brightest radio galaxies in the southern sky)
2025-2-MLT-004 P4 HRS (x2) (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants)

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Night Log 2026-03-03

SA: Rudi
SO: Veronica
Others: Moses, Gideon, LFC team

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Summary
------------------------------------------------------------------------

Almost a full night of observing with some clouds for the second half of the night that at one point forced us to stop. Once again mostly lower priority blocks observed due to the bright moon.

Science data taken for:
2025-1-COM-001 P1 HRS (HRS HS Commissioning )
2025-1-MLT-001 P2 RSS (Observations of supernovae, near and far.)
2025-2-SCI-038 P2 HRS (Identifying Be eclipsing binaries)
2025-2-SCI-009 P3 HRS (High resolution spectrocopy of Type II Cepheids)
2025-2-SCI-025 P3 RSS (RSS spectropolarimetry of Herbig Be stars at H? to trace accretion geometry.)
2025-2-SCI-003 P3 HRS (x3) (Cosmic dance of massive triple)
2025-2-MLT-013 P3 RSS (Searching for double hydrogen-deficient stars)
2025-2-SCI-004 P4 HRS (observations of ssrAp stars)
2021-2-MLT-004 P4 RSS (Spectropolarimetric Monitoring of eta Car)
2023-2-MLT-005 P4 RSS (x2) (Monitoring the activity of Be/X-ray binaries in the southern hemisphere)
2025-2-LSP-001 P4 HRS (x3) (Defining a new chemically peculiar star catalogue)

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Night Log 2026-03-02

SA: Rudi
SO: Veronica
Others: Lisa and LFC team

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Summary
------------------------------------------------------------------------

A full night of observing with now technical downtime. Relatively stable conditions, but the bright moon forced us to observe mostly lower priority blocks.

Science data taken for:
2025-1-MLT-001 P0 RSS (Observations of supernovae, near and far.)
2024-2-MLT-006 P1 HRS (HRS observations of a high mass binary system.)
2025-2-SCI-009 P2 HRS (x2) (High resolution spectrocopy of Type II Cepheids)
2025-2-SCI-038 P2 HRS (Identifying Be eclipsing binaries)
2025-2-MLT-004 P3 HRS (x2) (Radial Velocity Monitoring and Atmospheric Parameters Study of Yellow Symbiotic Giants)
2025-2-SCI-003 P3 HRS (Cosmic dance of massive triple)
2025-2-SCI-020 P3 RSS (Uncovering the nature of new X-ray objects discovered in the Magellanic system with eROSITA)
2025-2-SCI-004 P3 HRS (observations of ssrAp stars)
2025-2-SCI-029 P3 HRS (High resolution spectroscopy of asteroseismic targets)
2021-2-MLT-004 P4 RSS (Spectropolarimetric Monitoring of eta Car)
2025-2-SCI-033 P4 HRS (Two transiting TESS triple planet systems composed of super-Earths involved in two-body 3:2 MMRs.)
2025-2-SCI-008 P4 HRS (Update on low-mass merger remnants.)

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Night Log 2026-03-01

SA: Rudi
SO: Veronica
Others:

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Summary
------------------------------------------------------------------------

We managed to get a few blocks observed before the humidity forced us to close just after midnight.

Science data taken for:
2024-2-LSP-001 P0 HRS (x2) (Followup of Transients)
2025-2-SCI-003 P3 HRS (Cosmic dance of massive triple)
2025-2-SCI-027 P3 HRS (detached eclipsing binaries for PLATO mission)
2020-1-MLT-008 P4 RSS (Obtaining redshifts for G4Jy sources - the brightest radio galaxies in the southern sky)

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Night Log 2026-02-28

SA: Rudi
SO: Veronica
Others:

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Summary
------------------------------------------------------------------------

High winds, high humidity, clouds and rain prevented us from opening up tonight.

No science data taken.

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Night Log 2026-02-27

SA: Rudi
SO: Veronica
Others:

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Summary
------------------------------------------------------------------------

A very nice full and stable night, with the seeing ~1.0" for most of the night. We managed to observed many blocks with different priorities. No technical downtime tonight.

Science data taken for:
2025-2-SCI-009 P2 HRS (x2) (High resolution spectrocopy of Type II Cepheids)
2025-2-SCI-025 P2 RSS (x3) (RSS spectropolarimetry of Herbig Be stars at H? to trace accretion geometry.)
2024-2-SCI-025 P2 HRS (Looking for proto hot Jupiters)
2025-1-MLT-001 P2 RSS (Observations of supernovae, near and far.)
2024-1-MLT-010 P3 HRS (x2) (Stellar Characterisation of Ariel mission targets: derivation of N and O abundances)
2025-2-SCI-003 P3 HRS (x2) (Cosmic dance of massive triple)
2024-2-MLT-001 P3 HRS (x2) (Spectroscopy of compact heirarchial triples)
2025-2-SCI-004 P3 HRS (observations of ssrAp stars)
2025-2-SCI-020 P3 RSS (Uncovering the nature of new X-ray objects discovered in the Magellanic system with eROSITA)
2025-2-SCI-027 P3 HRS (detached eclipsing binaries for PLATO mission)
2025-2-SCI-006 P3 HRS (Measuring Lithium abundances in UMa candidate stars)
2020-1-MLT-008 P4 RSS (Obtaining redshifts for G4Jy sources - the brightest radio galaxies in the southern sky)

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