MDM Observatory 2.4m Telescope Observing Report for 2012 Apr 24 Observer(s): Runge, Brown, Musin, Yan Institution(s): University of Missouri-Columbia Instrument: OSMOS+R4K Worked for 10 hours (all night) Conditions were Mixed most of the night. Problems were encountered, see the separate trouble report for details. Seeing and Weather: Clouds from 3am until 5am. Beg: Seeing 1.2 arcsec, Patchy Clouds, Winds Light & Variable Mid: Seeing 1.6 arcsec, Patchy Clouds, Winds Light & Variable End: Seeing 1.2 arcsec, Overcast, Winds Calm Observing Summary: Observations began with fair conditions. The DES z & Y filters were used. The seeing was in the 1.2 to 1.7 range. Heavy cloud coverage began at 3:00am; we decided to close the dome and wait for weather conditions to improve. However the weather didn't improve at all, and we closed at 5:00am. ------------------------------ Submitted on 2012 Apr 25 [5:19:37]