MDM Observatory 2.4m Telescope Observing Report for 2010 Dec 26 Observer(s): Khan Institution(s): OSU Instrument: OSMOS Worked for 9 hours (most of the night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 2 arcsec, Patchy Clouds, Winds Light & Variable Mid: Seeing 1.3 arcsec, Overcast, Winds Calm End: Clear, Winds Calm Observing Summary: It was cloudy all the way, but it got so bad that I had to close at 3am. Also, the humidity inside the dome kept fluctuating between 84% and 86% by this point as well. Seeing was worse at the beginning, 2'', before improving to 1.3'', until the stars started to vanish altogether. ------------------------------ Submitted on 2010 Dec 27 [6:31:53]