MDM Observatory 2.4m Telescope Observing Report for 2020 Jan 24 Observer(s): Jiangtao Li Institution(s): University of Michigan Instrument: OSMOS Worked for 15 hours (all night) Conditions were Mixed 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, relatively high RH Observing Summary: It was partially cloudy in the early night. The relative humidity climbed to as high as 75% around 4 am. ------------------------------ Submitted on 2020 Jan 25 [8:10:17]