MDM Observatory 2.4m Telescope Observing Report for 2010 Feb 04

Observer(s): Fesen and Milisavljevic
Institution(s): Dartmouth

Instrument: Modspec + Echelle

Worked for 3 hours (all night)
Conditions were Non-Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   High Humidity all night.
   Beg: Seeing 1 arcsec, Clear, Winds Calm
   Mid: Seeing 1 arcsec, Clear, Winds Calm
   End: Seeing 1 arcsec, Clear, Winds Calm

Observing Summary:

Skies were mostly clear but high humidity forced us to close for most of the night.
Condensation was noticed on detector faceplate; this was likely from the previous
night's high humidity.  Blew with nitrogen gas for 1/2 hr and resolved problem.  

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Submitted on 2010 Feb 5 [5:45:57]