MDM Observatory 2.4m Telescope Observer's Report for 2003 Jan 20

Observer(s): S. Lepine
Institution(s): Columbia/AMNH

Instrument: MkIII Spectrograph

Worked for 4 hours (part of the night)
Conditions were Mixed most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Fog from 8PM until 12PM.
   Beg: Fog/Low Clouds, Winds Light & Variable
   Mid: Seeing 0.6 arcsec, Clear, Winds Calm
   End: Clear, Winds Calm, High Humidity

Observing Summary:

Night started up with low clouds + some light fog, and
high humidity levels (>90%). Fog and clouds cleared after
midnight. At 1AM, humidity dropped below 70%. Dome was 
opened and observations carried out for about 4 hours.
Obtained spectra for a total of 29 high proper motion stars.
At 5AM humidity suddently went up again to unsafe levels 
(85%); dome was then closed for the remainder of the night.

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Submitted on 2003 Jan 21 [6:51:12]