MDM Observatory 2.4m Telescope Observing Report for 2019 Mar 13 Observer(s): Rupert Institution(s): MDM Instrument: OSMOS/B Worked for 8.5 hours (most of the night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: High Humidity from start until 9PM. Beg: Seeing 1.4 arcsec, Clear, Winds Light & Variable Mid: Seeing 1.4 arcsec, Clear, Winds Calm End: Seeing 1.8 arcsec, Clear, Winds Light & Variable Observing Summary: Humidity was above the observing limits until 9PM. Was able to open to a clear sky after purging the detector. The rest of the night was good, with degrading seeing as time went on. ------------------------------ Submitted on 2019 Mar 14 [5:26:16]