MDM Observatory 1.3m Telescope Observer's Report for 2007 Jan 20

Observer(s): Denney, Dietrich
Institution(s): OSU

Instrument: CCDS

Worked for 1.75 hours (part of the night)
Conditions were Non-Photometric most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   High Humidity from 18:00 until 5:00.
   Beg: Fog/Low Clouds, Winds Calm
   Mid: Patchy Clouds, Winds Calm, 0:00-1:45 low hum 
   End: Fog/Low Clouds, Winds Calm

Observing Summary:

The first half of the night (humidity ~94%) was used to work on a
problem with the setting of the central wavelength. At LT=0:00 the
humidity was below 85% and was dropping rapidly. For the next 1.75
hours we could observe at least a standard star. But at LT= 1:45
the humidity was again above 85% and the dome was closed. In the
following the humidity was rising again up to ~93%.

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

Submitted on 2007 Jan 21 [4:06:09]