MDM Observatory 1.3m Telescope Observing Report for 2021 Feb 12

Observer(s): Yuming Fu, Jiangtao Li
Institution(s): PKU, UMich

Instrument: CCDS

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

Seeing and Weather:
   Clouds from 18:00 until 22:30.
   Beg: Overcast, Winds Light & Variable
   Mid: Seeing 2.2 arcsec, Patchy Clouds, Winds Calm
   End: Seeing 1.5 arcsec, Cirrus, Winds Calm

Observing Summary:

The weather was cloudy with high RH (~75%) until 20:00. The sky 
turned clearer afterwards with patchy clouds. However the dome 
could not be open as the TCS showed  rain  status. Tried several
times and opened the dome at ~ 22:00. Seeing was poor and turned
a little better in the second half of the night. Dome was closed
at 06:57.

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Submitted on 2021 Feb 13 [6:58:19]