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) ------------------------------------------------------------------------