MDM Observatory 2.4m Telescope Observing Report for 2011 Apr 04 Observer(s): Xinyu Dai Institution(s): OU/OSU Instrument: OSMOS Worked for 10 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.3 arcsec, Clear, Winds Calm Mid: Seeing 1.0 arcsec, Clear, Winds Calm End: Seeing 0.9 arcsec, Clear, Winds Calm Observing Summary: Obtained sdss g, r, i images of the Swift serendipitous fields. ------------------------------ Submitted on 2011 Apr 5 [6:17:35]