MDM Observatory 2.4m Telescope Observing Report for 2021 Dec 12 Observer(s): Thorstensen, Garcia-Soto, and students Institution(s): Dartmouth Instrument: OSMOS+B4k Worked for 9 hours (most of the night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.5 arcsec, Clear, Winds Moderate Mid: Seeing 1.5 arcsec, Patchy Clouds, Winds Moderate End: Clear, Winds Calm Observing Summary: A very nice final night, almost all clear, with some high cloud from time to time. We left a bit after 3 AM so that everyone could make their flights home. No problems with 2.4m, except for the same faulty mirror cover reading as the previous night, and a restart needed for the xmis at the start. ------------------------------ Submitted on 2021 Dec 13 [3:08:23]