MDM Observatory 2.4m Telescope Observing Report for 2025 Oct 20 Observer(s): Jiangtao Li Institution(s): Michigan Instrument: OSMOS Worked for 13 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: I cannot find the guider star using JSkyCalc, so have to use some fainter stars in the guide camera. Do I need to manually set an offset even if I'm using the field center? ------------------------------ Submitted on 2025 Oct 21 [7:42:39]