MDM Observatory 1.3m Telescope Observing Report for 2010 Dec 15 Observer(s): Shields, van Saders Institution(s): Ohio University, OSU Instrument: CCDS Worked for 12 hours (all night) Conditions were Mixed most of the night. Problems were encountered, see the separate trouble report for details. Seeing and Weather: Clouds all night. Beg: Seeing 1.2 arcsec, Cirrus, Winds Light & Variable Mid: Seeing 1.6 arcsec, Cirrus, Winds Light & Variable End: Seeing 1.1 arcsec, Cirrus, Winds Light & Variable Observing Summary: Success observing through thin cirrus of reverberation mapping targets. Lost ~1.5 hrs due to technical difficulties concerning dome and telescope control. We were able to proceed with observations despite the problems. ------------------------------ Submitted on 2010 Dec 16 [6:41:50]