MDM Observatory 2.4m Telescope Observing Report for 2018 Mar 15 Observer(s): Ryan Chornock Institution(s): Ohio University Instrument: OSMOS/B Worked for 9 hours (most of the night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: High Humidity from 2:30 until 4:30. Beg: Seeing 1.3 arcsec, Clear, Winds Moderate Mid: Seeing 1.5 arcsec, Cirrus, Winds Light & Variable End: Seeing 1.5 arcsec, Cirrus, Winds Light & Variable Observing Summary: Conditions were pretty good at the beginning of the night, with clear skies and reasonable seeing at low airmass. The humidity slowly crept up, and I had to close up around 2:30am. After about 2 hours, the dew point suddenly plunged and I re-opened. Clear in the evening, but quite a bit of cirrus around in the morning. No issues with the rotator tonight. ------------------------------ Submitted on 2018 Mar 16 [6:32:14]