MDM Observatory 2.4m Telescope Observer's Report for 2006 Sep 25

Observer(s): Sharma, Statler & McCowan
Institution(s): Ohio University

Instrument: 8k CCD

Worked for 10 hours (all night)
Conditions were Non-Photometric most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   Beg: Seeing 1.3 arcsec, Clear, Winds Light & Variable, poor transparency
   Mid: Seeing 1.1 arcsec, Clear, Winds Calm, poor transparency
   End: Seeing 1.3 arcsec, Clear, Winds Calm, poor transparency

Observing Summary:

A little before sunset, we had trouble with the dome, 
while manually homing it after taking dome flats. Bob Barr came
and found a work-around. See trouble report.

We observed three galaxy groups, each for ~2 hours. We wanted to
observe in both B and V, but only managed to get V-band data.
Finding guide stars cost the largest overhead in observing time. The
night was mostly clear but the transparency was disappointing and
the sky was very bright. We wonder whether this is smoke from
California forest fires, haze, or ...

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

Submitted on 2006 Sep 26 [6:18:35]