MDM Observatory 2.4m Telescope Observing Report for 2019 Nov 25 Observer(s): Nunez Institution(s): Columbia Univeristy Instrument: OSMOS/B Worked for 4.5 hours (first half of the night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: High Humidity all night. Beg: Cirrus, Winds High, Humidity at 75-80% Mid: Clear, Winds High, Humidity above 90% End: Clear, Winds Moderate, Humidity above 90% Observing Summary: Cirrus clouds dominated the beginning, but cleared out soon after sunset. Winds picked up after sunset, with some gusts reaching 25 mph. Humidity remained at 80% during the first half of the night. I managed to observe for a few hours, although guiding was difficult due to the wind. Soon after midnight, humidity reached 90%+. Dew was evident on the rails outside and on the outside camera, at which point I closed down for the night. ------------------------------ Submitted on 2019 Nov 26 [3:32:39]