MDM Observatory 2.4m Telescope Observing Report for 2010 Sep 07

Observer(s): Schroeder
Institution(s): Columbia

Instrument: Echelle CCD

Worked for 9 hours (most 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 5 until dawn.
   Beg: Seeing 1.0 arcsec, Clear, Winds Calm
   Mid: Seeing 1.0 arcsec, Clear, Winds Calm
   End: Seeing 1.2 arcsec, Clear, Winds Calm

Observing Summary:

Clouds cleared by opening. Conditions were excellent for the first half of the night.

Humidity rose until reaching in excess of 85% at 5 am when I shut down without doing dawn flats.



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Submitted on 2010 Sep 8 [5:13:13]