MDM Observatory 2.4m Telescope Observer's Report for 2007 Sep 29 Observer(s): Molly Peeples & Roberto Assef Institution(s): OSU Instrument: CCDS/Retrocam Worked for 7 hours (first half of the night) Conditions were Mixed most of the night. Problems were encountered, see the separate trouble report for details. Seeing and Weather: Clouds from 1 until morn.. Beg: Seeing 0.8 arcsec, Clear, Winds Calm Mid: Overcast, Winds Calm End: Overcast, Winds Calm Observing Summary: Clear the first half of the night with 0.8 arcsecond seeing. Took evening sky flats and observed supernovae and PG2130. At 1a.m. the humidity rose quickly and a thick layer of clouds set in in under 15 minutes; shut down and was cloudy and/or high humidity for the rest of the evening. ------------------------------ Submitted on 2007 Sep 30 [6:15:10]