MDM Observatory 2.4m Telescope Observing Report for 2022 Feb 20 Observer(s): Rupert Institution(s): MDM Instrument: OSMOS/B Worked for 5 hours (first half of the night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Clouds from 12 until emd. Beg: Seeing 2.0 arcsec, Patchy Clouds, Winds Light & Variable Mid: Seeing 2.0 arcsec, Patchy Clouds, Winds Light & Variable End: Patchy Clouds, Winds Light & Variable Observing Summary: Clouds rolled in at the early evening. Things cleared after evening twilight ended, so I didn't open until then. More clouds rolled in around midnight and remained the rest of the night. Was able to open again during morning twilight for flats. ------------------------------ Submitted on 2022 Feb 21 [7:05:09]