MDM Observatory 2.4m Telescope Observer's Report for 2007 May 16

Observer(s): Pereira, Tonnesen
Institution(s): Columbia

Instrument: 8k

Worked for 7 hours (most of the night)
Conditions were Non-Photometric most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   Beg: Seeing 1.4 arcsec, Patchy Clouds, Winds Light & Variable
   Mid: Seeing 1.0 arcsec, Clear, Winds Calm
   End: Seeing 1.6 arcsec, Patchy Clouds, Winds Calm

Observing Summary:

Night started off cloudy, but cleared up around 11pm. Good observing 
until 3am, when humidity climbed rapidly to around 60%, and a few clouds rolled in.
We continued observations of 3 fossil groups and took a few dozen dark sky flats.

------------------------------

Submitted on 2007 May 17 [5:32:45]