MDM Observatory 2.4m Telescope Observing Report for 2011 Nov 15

Observer(s): Sheffield
Institution(s): Columbia

Instrument: Modspec+Nellie

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

Seeing and Weather:
   High Humidity from 2000 until 0400.
   Beg: Seeing 1.5 arcsec, Clear, Winds Light & Variable
   Mid: Clear, Winds Light & Variable, high humidity
   End: Clear, Winds Light & Variable, high humidity

Observing Summary:

Started out nice and clear.  
By 2200 the RH was up to 80%.
I was able to open a couple of times before midnight but the RH stayed above limit until 0400.
But, well before 0400, the dome was dripping;
there were puddles outside (and dripping) at 4am at which point I called it a night.


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Submitted on 2011 Nov 16 [4:20:30]
NOTE: This report replaces the previous 2.4m telescope
      observing report for 2011 Nov 15