MDM Observatory 2.4m Telescope Observer's Report for 2005 Jan 30

Observer(s): S. Lepine, S. Dong
Institution(s): AMNH, OSU

Instrument: Direct + Echelle

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

Seeing and Weather:
   High Humidity all night.
   Beg: Seeing 1.2 arcsec, Clear, Winds Calm
   Mid: Clear, Winds Calm, High humidity
   End: Clear, Winds Calm, High humidity

Observing Summary:

Night begun with a few patchy clouds and high relative 
humidity (90%). Around 8:30pm, sky became clear, and
humidity dropped to 75%. Dome was opened, and we resumed
our parallax observations. Several targets were imaged
with good seeing (1.2'') and in photometric conditions.
Unfortunately, humidity rose gradually, and exceeded 85%
around 1:00am. Dome was closed. Humidity stayed high (~95%) 
for the remainder of the night, despite perfectly clear 
skies.



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Submitted on 2005 Jan 31 [5:41:34]