MDM Observatory 2.4m Telescope Observer's Report for 2000 Dec 11 Observer(s): Jen Marshall Institution(s): OSU Instrument: Echelle Worked for 14 hours (all night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: High Humidity all night. Beg: Seeing 1 arcsec, Cirrus, Winds Calm Mid: Seeing 1.2 arcsec, Clear, Winds Light & Variable End: Seeing 1.6 arcsec, Clear, Winds Moderate, humid Observing Summary: Seeing started out about 1 arcsec, then deteriorated to about 1.5. Humidity was about 75% by end of night, and winds increased. ------------------------------ Submitted on 2000 Dec 15 [1:38:02]