MDM Observatory 2.4m Telescope Observing Report for 2023 Nov 12 Observer(s): Huiyang Mao Institution(s): Purple Mountain Observatory Instrument: OSMOS Worked for 12 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: It seems that the declination drive power cut out at about 12:00 a.m. We closed the software but we did not the pass code for VNC to restart it. We have closed the dome and the mirror cover, but we failed to point the telescope to the zenith. ------------------------------ Submitted on 2023 Nov 13 [1:10:07]