MDM Observatory 2.4m Telescope Observing Report for 2023 Oct 19 Observer(s): M. Sitaram, M. Messere, D. Schiminovich Institution(s): Columbia University Instrument: CHaS Worked for 8 hours (most of the night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Clear, Winds Calm Mid: Clear, Winds Calm End: Clear, Winds Calm Observing Summary: We spent the evening and first few hours of the night changing to the O III channel of CHaS and started observing around 10PM. For the rest of the night, there was good weather and we collected great commissioning data on some of the targets we had been observing in H-alpha. Overall a successful night. ------------------------------ Submitted on 2023 Oct 20 [6:02:52]