MDM Observatory 2.4m Telescope Observing Report for 2023 Sep 13

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

Instrument: OSMOS

Worked for 10 hours (most of the night)
Conditions were Mixed most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Clouds all night.
   Beg: Seeing 1 arcsec, Clear, Winds Moderate
   Mid: Seeing 1 arcsec, Patchy Clouds, Winds Light & Variable
   End: Seeing 1.5 arcsec, Clear, Winds Calm

Observing Summary:

Beautiful most of the night, but with clouds for a while around
10-11 PM or so, and then an interval of high humidity - which 
then went away, with the RH going down into the 20s.  I needed
to quit and restart JSkyCalc, because it wasn't seeing the
telescope -- Eric thought it probably lost contact during a 
mandatory Windows update on the TCS (ugh).  This somehow froze
Prospero, and I had some trouble getting prospero going again 
because of unfamiliarity, but it's fine now.  This was the 
best night of the last week or so -- for some nights now I've
been battling really sketchy conditions.  

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Submitted on 2023 Sep 14 [6:01:12]