MDM Observatory 2.4m Telescope Observing Report for 2016 Jun 21

Observer(s): Weil
Institution(s): Dartmouth

Instrument: Modspec + Nellie

Worked for 8 hours (all night)
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Seeing 1 arcsec, Patchy Clouds, Winds Calm
   Mid: Seeing 1 arcsec, Clear, Winds Calm
   End: Seeing 1 arcsec, Clear, Winds Calm

Observing Summary:

Telescope worked fine all night. Cloudy at the beginning but was
clear near the end. 

The main liquid nitrogen tank used to fill the dewer froze during
the night. I used the back up to fill the dewer. 

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Submitted on 2016 Jun 22 [3:56:31]