MDM Observatory 2.4m Telescope Observer's Report for 2001 Dec 18 Observer(s): De Jong Institution(s): Groningen Instrument: MDM8K Worked for 11 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 1.8 arcsec, Clear, Winds Light & Variable Mid: Seeing 2.5 arcsec, Clear, Winds Light & Variable End: Seeing 2.0 arcsec, Clear, Winds Light & Variable Observing Summary: Clear all night, but seeing not great. Lost about 1.5 hours because Vesuvius crashed. ------------------------------ Submitted on 2001 Dec 19 [5:51:05]