MDM Observatory 2.4m Telescope Observing Report for 2019 Sep 13 Observer(s): Rupert Institution(s): MDM Instrument: OSMOS/B Worked for 4.5 hours (first half of the night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: Clouds from 10:30 until end. Beg: Seeing 1.4 arcsec, Patchy Clouds, Winds Calm Mid: Patchy Clouds, Winds Calm End: Overcast, Winds Calm Observing Summary: Closed at 10:30 when clouds rolled in. They quickly cleared and I was back open 30 minutes later. They came right back in stronger numbers and stayed for the remainder of the night. ------------------------------ Submitted on 2019 Sep 14 [3:03:35]