MDM Observatory 1.3m Telescope Observing Report for 2009 Oct 18 Observer(s): Dane Owen Institution(s): Dart. Instrument: 4K Worked for 9.5 hours (all night) Conditions were Non-Photometric most of the night. Problems were encountered, see the separate trouble report for details. Seeing and Weather: Beg: Seeing 1.3 arcsec, Patchy Clouds, Winds Light & Variable Mid: Seeing 1.3 arcsec, Patchy Clouds, Winds Moderate End: Seeing 1.3 arcsec, Patchy Clouds, Winds Moderate Observing Summary: Patchy clouds throughout night. Humidity rose to 80% by 0300. Although Dec. axis wobble was generally not a problem, winds caused 40 arc-second north-south blur in some images. OK with droupout up. ------------------------------ Submitted on 2009 Oct 19 [3:36:10]