MDM Observatory 1.3m Telescope Observing Report for 2025 Dec 13

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

Instrument: Templeton direct

Worked for 12 hours (all night)
Conditions were Mixed most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Seeing 1+ arcsec, Cirrus, Winds Calm
   Mid: Seeing 1+ arcsec, Cirrus, Winds Calm
   End: Seeing 1+ arcsec, Clear, Winds Calm

Observing Summary:

High clouds built in before sunset, mostly optically thin but 
troublesome at times.  It cleared entirely around 4 AM. Worked 
all night, but struggled for some of it. 

I filled the dewar around 7 AM; Justin will do the evening fill. 

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Submitted on 2025 Dec 14 [7:48:01]