MDM Observatory 2.4m Telescope Observing Report for 2011 Oct 25

Observer(s): Anne Pellerin,Mike Smitka
Institution(s): OSU

Instrument: OSMOS

Worked for 10 hours (most of the night)
Conditions were Non-Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   High Humidity from 00:30 until 7:00.
   Beg: Seeing 1.4 arcsec, Clear, Winds Moderate
   Mid: Seeing 1.7 arcsec, Clear, Winds Above Limit, Humidity > 85%
   End: Clear, Winds Calm

Observing Summary:

Opened regularly at sunset to clear-esque skies.  We attempted to properly use OSMOS in spectrograph mode with near success for 1 hour and then imaged using OSMOS for 5 hours. Average seeing was around 1.5   Temperature dropped continuously and humidity rose throughout the night.  
Humidity reached 85% at 00:30 (MST) and we closed the dome.  Winds near 40mph and humidity forced us to keep the dome closed for the remainder of the night.  We shut down completely at 03:30 (MST).

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Submitted on 2011 Oct 26 [3:30:52]