MDM Observatory 2.4m Telescope Observer's Report for 2002 Mar 13

Observer(s): Noel-Storr
Institution(s): Columbia

Instrument: CCDS

Worked for 5 hours (first half of the night)
Conditions were Non-Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   High Humidity from 12:30 until 4:45.
   Beg: Seeing 1.7 arcsec, Patchy Clouds, Winds Moderate
   Mid: Clear, Winds Moderate
   End: Clear, Winds Light & Variable

Observing Summary:

The temperature droped steadily causing focus difficulties 
during long observations. Plus there were some high clouds at 
the start of the night. 

The humidity rose steadily, and at 12:30 the air-con sensor 
reported 85%... followed shortly afterwards by the
outside sensor. High humidity remained until 4:45 when it
dropped rapidly, I opened and observed for about 20 more mins
before the humidty had risen again (on the air con computer),
being followed by the outside sensor.

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Submitted on 2002 Mar 14 [5:39:44]