MDM Observatory 2.4m Telescope Observing Report for 2025 Dec 13

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

Instrument: OSMOS

Worked for 13 hours (all night)
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Seeing 0.9 arcsec, Cirrus, Winds Calm
   Mid: Seeing 1+ arcsec, Cirrus, Winds Calm
   End: Seeing 1+ arcsec, Clear, Winds Calm

Observing Summary:

Another night with high clouds, somewhat thicker than last night.
It cleared up entirely around 4 AM. Seeing was good at the start,
and generally good through the night. 

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Submitted on 2025 Dec 14 [7:50:11]