MDM Observatory 2.4m Telescope Observing Report for 2017 Mar 21 Observer(s): Donghoon Son Institution(s): SNU Instrument: OSMOS R4K Worked for 12 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.2 arcsec, Clear, Winds Calm Mid: Clear, Winds Calm End: Clear, Winds Calm Observing Summary: It was clear night. There is no instrument issue. All was perfect night. ------------------------------ Submitted on 2017 Mar 22 [5:54:38]