MDM Observatory 2.4m Telescope Observing Report for 2025 Oct 22 Observer(s): Jiangtao Li, Haikun Xue, Junle Wang Institution(s): Michigan Instrument: OSMOS Worked for 12 hours (all night) Conditions were Photometric most of the night. Problems were encountered, see the separate trouble report for details. Seeing and Weather: Beg: Clear, Winds Calm Mid: Clear, Winds Calm End: Clear, Winds Calm Observing Summary: When closing the dome in the morning. We set tracking rate HA to zero and attempt to point telescope to zenith, but error message pop up make sure tracking rate is zero first! Then we were no longer able to slew telescope and dome after DFM program. Manually home and close dome, but telescope is still not at zenith. ------------------------------ Submitted on 2025 Oct 23 [7:43:00]