MDM Observatory 2.4m Telescope Observer's Report for 2002 Dec 29 Observer(s): De Jong Institution(s): Kapteyn Institute Groningen Instrument: MDM8K Worked for 1 hours (part of the night) Conditions were Non-Photometric most of the night. Problems were encountered, see the separate trouble report for details. Seeing and Weather: High Humidity from 6 until 3. Beg: Overcast, Winds Moderate, rain, humidity Mid: Clear, Winds Light & Variable, high humidity End: Clear, Winds Light & Variable Observing Summary: Humidity at 90% and above first half of night, only dropping below 85% around 3am. After correcting the pointing and focussing, problems occur during first science exposure. First telescope starts slipping in RA direction, then during reading out of exposure, communication with 2nd board of camera is lost. Gave up at 5am, see trouble report. ------------------------------ Submitted on 2002 Dec 30 [5:19:41]