MDM Observatory 2.4m Telescope Observer's Report for 2005 Feb 27 Observer(s): McGreer Institution(s): Columbia Instrument: TIFKAM Worked for 3 hours (part of the night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: High Humidity all night. Beg: Clear, Winds Calm, humidity 90% Mid: Seeing 1 arcsec, Clear, Winds Calm End: Clear, Winds Calm, humidity 85% Observing Summary: humidity rose to peak of 90% around 11pm, then dropped rapidly around 1:30am, reaching as low as 78%. At 4:30am outside humidity was about 83% but dome reading was over 85% so closed up. Then outside humidity reached 85% and stayed there. ------------------------------ Submitted on 2005 Feb 28 [5:11:31]