MDM Observatory 2.4m Telescope Observing Report for 2010 Dec 05

Observer(s): Agueros, Andrews, Covey, Halpern
Institution(s): Columbia

Instrument: Modspec

Worked for 10 hours (all night)
Conditions were Mixed most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Clouds from 2:30 until 4:30.
   Beg: Clear, Winds Calm
   Mid: Clear, Winds Calm
   End: Patchy Clouds, Winds Calm

Observing Summary:

The night started out very clear with good seeing.  Around 2:30, clouds came in and the seeing became significantly worse.

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Submitted on 2010 Dec 6 [4:26:17]