MDM Observatory 1.3m Telescope Observer's Report for 2001 Jun 18

Observer(s): Aaron Dotter
Institution(s): Dartmouth

Instrument: Nellie

Worked for 8 hours (most of the night)
Conditions were Non-Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Clouds all night.
   Beg: Seeing 1.2 arcsec, Clear, Winds Calm
   Mid: Seeing 4-5 arcsec, Patchy Clouds, Winds Moderate
   End: Clear, Winds Calm

Observing Summary:

The night began with excellent seeing (~1 ) but at about midnight 
conditions changed. Although it was difficult to tell from looking
at the stars with the naked eye, it appeared that some clouds 
were present. Satellite images did show a large body of clouds in
the vicinity.

Shortly thereafter the wind picked up and seeing went south. It 
deteriorated to 4-5  and it became impossible to image the fields.
Night ended about 02:30. 

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Submitted on 2001 Jun 19 [2:53:47]