MDM Observatory 2.4m Telescope Observing Report for 2025 May 24 Observer(s): David Schiminovich. Jiangtao Li, Ignacio Cevallos Aleman Institution(s): Michigan, Columbia Instrument: CHaS Worked for 2 hours (last half of the night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: Clouds from 1900 until 0200. Beg: Overcast, Winds Light & Variable Mid: Cirrus, Winds Light & Variable End: Clear, Winds Calm Observing Summary: Threatening clouds at the start of the night. Was able to open the dome around 11 pm but scattered clouds still interfered with guiding. Sky cleared up for the last 2 hours of the night. ------------------------------ Submitted on 2025 May 25 [5:06:03]