MDM Observatory 2.4m Telescope Observing Report for 2025 Oct 31 Observer(s): Meghna Sitaram Institution(s): Columbia Instrument: CHaS Worked for 11 hours (all night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Cirrus, Winds Calm Mid: Clear, Winds Calm End: Clear, Winds Calm Observing Summary: Some very thin clouds but overall a great night of observing. Experienced a jump in the guider once during the night but it didn't repeat. Other than that, telescope and spectrograph both performed well. ------------------------------ Submitted on 2025 Nov 1 [6:23:12]