MDM Observatory 2.4m Telescope Observer's Report for 2004 Feb 19

Observer(s): Aeree Chung
Institution(s): Columbia University

Instrument: Nellie

Worked for 4 hours (off and on through the night)
Bad weather most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Clouds all night.
   Beg: Seeing 1.8 arcsec, Patchy Clouds, Winds Light & Variable, T=41F, RH=70% 
   Mid: Seeing 2.1 arcsec, Cirrus, Winds Calm, T=38F, RH=78%
   End: Seeing --- arcsec, Cirrus, Winds Calm, T=38F, RH=77%

Observing Summary:

Patches of clouds were seen at the beginning. The sky was partly
cloudy, partly clear till 21 MST or so and the seeing was ~1.8 .
It was on and off for a while. After 22MST, it became too cloudy
for observing. At 2MST (20th) telescope was shut. Currently 6:50
MST (20th), it is still mostly cloudy (T=38F, RH=77%). No such
strong winds as yesterday for the whole night.




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Submitted on 2004 Feb 20 [6:53:50]