MDM Observatory 2.4m Telescope Observing Report for 2023 Nov 07 Observer(s): Huiyang Mao Institution(s): Purple Mountain Observatory Instrument: OSMOS Worked for 11 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Clear, Winds Calm Mid: Clear, Winds Calm End: Clear, Winds Calm Observing Summary: The instrument can only be rotated to minus 87 degrees. ------------------------------ Submitted on 2023 Nov 8 [7:14:39]