MDM Observatory 2.4m Telescope Observing Report for 2019 May 20 Observer(s): Rupert Institution(s): MDM Instrument: OSMOS/B Worked for 2 hours (part of the night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: High Humidity from 10 until end. Beg: Seeing 1.9 arcsec, Clear, Winds Light & Variable Mid: Clear, Winds Light & Variable End: Clear, Winds Light & Variable Observing Summary: The night started out windy and with mediocre seeing. The humidity rose above the observing limit at around 10 and didn't let up the rest of the night. ------------------------------ Submitted on 2019 May 21 [2:04:12]