MDM Observatory 1.3m Telescope Observing Report for 2020 Dec 21 Observer(s): Donghoon Son Institution(s): SNU Instrument: Echelle direct Worked for 12.5 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.8 arcsec, Clear, Winds Calm Mid: Clear, Winds Light & Variable End: Cirrus, Winds Light & Variable Observing Summary: Problem free night. ------------------------------ Submitted on 2020 Dec 22 [6:57:44]