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

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Summary
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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)

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Night Log 2026-04-04

SA: Moses
SO: Austun
Others: Wimpie

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Summary
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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)

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Night Log 2026-04-03

SA: Moses
SO: Austun
Others: Antoine

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Summary
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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:

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Summary
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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:

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Summary
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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

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Summary
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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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