MDM Observatory 2.4m Telescope Observing Report for 2023 Dec 09 Observer(s): John Thorstensen Institution(s): Dartmouth Instrument: OSMOS Worked for 13 hours (all night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.5 arcsec, Cirrus, Winds Light & Variable Mid: Seeing 1.5 arcsec, Clear, Winds Light & Variable End: Seeing 2 arcsec, Clear, Winds Light & Variable Observing Summary: A good night, clear with a little cirrus early at least. Seeing was never great and rather poor at times (> 2 arcsec). Very productive, though; no technical problems. ------------------------------ Submitted on 2023 Dec 10 [7:07:17]