MDM Observatory 2.4m Telescope Observing Report for 2011 Nov 08

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

Instrument: Modspec+Nellie

Worked for 11.5 hours (most of the night)
Conditions were Mixed most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   Clouds from 1800 until 0200.
   Beg: Seeing 2 arcsec, Cirrus, Winds Light & Variable
   Mid: Seeing 2.5 arcsec, Patchy Clouds, Winds Light & Variable
   End: Seeing 1.5 arcsec, Clear, Winds Calm

Observing Summary:

Some time lost due to thick clouds towards the middle of the night.

The background level on the science frames is higher than yesterday and 
is likely due to electronics.
Bob, this looks like the pattern we saw on Monday afternoon,
 so I think it is the same cable/connection.

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Submitted on 2011 Nov 9 [6:57:03]