MDM Observatory 2.4m Telescope Observing Report for 2017 Mar 20 Observer(s): Wanjin Cho Institution(s): SNU Instrument: OSMOS R4K Worked for 12.5 hours (all night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: Clouds from 2am until 6am. Beg: Seeing 1.33 arcsec, Clear, Winds Moderate Mid: Cirrus, Winds Moderate End: Patchy Clouds, Winds Moderate Observing Summary: Clear sky until 2am. Cloudy after that until the sunrise. Wind speed was ~12mph. There were no instrument issues. ------------------------------ Submitted on 2017 Mar 21 [7:11:56]