MDM Observatory 1.3m Telescope Observing Report for 2020 Dec 01

Observer(s): Donghoon Son
Institution(s): SNU

Instrument: Echelle CCD 

Worked for 3.5 hours (part of the night)
Conditions were Photometric most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   Beg: Seeing 1.7 arcsec, Clear, Winds Calm
   Mid: Clear, Winds Calm
   End: Clear, Winds Calm

Observing Summary:

No issue until the first target observation.
However,
CCD shutter seems not work since ~18:40.
All taken image at any exposure time show only bias frame.



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Submitted on 2020 Dec 1 [20:52:58]