MDM Observatory 2.4m Telescope Observing Report for 2025 Dec 08 Observer(s): John Thorstensen Institution(s): Dartmouth Instrument: OSMOS Worked for 13 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1+ arcsec, Clear, Winds Moderate Mid: Seeing 1.5 arcsec, Clear, Winds Moderate End: Seeing 1+ arcsec, Clear, Winds Light & Variable Observing Summary: Clear all night; seeing was reasonably good except for a few times when it got a bit soft due to wind. Quite productive. With students in the control room, running the 1.3m. ------------------------------ Submitted on 2025 Dec 9 [7:34:15]