MDM Observatory 2.4m Telescope Observing Report for 2018 Feb 23

Observer(s): John Thorstensen
Institution(s): Dartmouth

Instrument: Modspec + Echelle

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

Seeing and Weather:
   Clouds from 11 PM until 1 AM.
   Beg: Seeing 1.5 arcsec, Clear, Winds Calm
   Mid: Patchy Clouds, Winds Calm
   End: Seeing 1.5 arcsec, Clear, Winds Calm

Observing Summary:

Mostly clear, though cloudy for a couple hours around the middle 
of the night. Seeing a bit mediocre.  Very cold, dropping to 22 F
at the end; windy at start, much calmer at end.  Humidity got
close to limit on one occasion but subsided.  Seeing a bit 
soft.  

No major problems.  Guide buttons are intermittent; monitor in
the dome was illegibly dark (maybe the cold?) and I didn't figure
out how to adjust it.

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Submitted on 2018 Feb 24 [7:22:32]