MDM Observatory 2.4m Telescope Observing Report for 2012 Feb 20

Observer(s): Marcel Agueros & Emily Bowsher
Institution(s): Columbia

Instrument: Modspec + Nellie

Worked for 11 hours (all night)
Conditions were Non-Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Clear, Winds Calm
   Mid: Clear, Winds Calm
   End: Clear, Winds Calm

Observing Summary:

Cloudy at start of night, quickly cleared enough to observe but
there was a bit of haze most of the night.  Humidity below 50% all
night.

At times throughout the night not all of the lines appeared from
the Hg-Ne lamp, but other times all lines appeared.  Seemed odd.
Xe consistently had all lines.


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Submitted on 2012 Feb 21 [6:53:13]