MDM Observatory 2.4m Telescope Observing Report for 2019 Mar 03 Observer(s): Nunez, Lawler Institution(s): Columbia, CUNY Instrument: OSMOS 4K Worked for 6 hours (part of the night) Conditions were Mixed most of the night. Problems were encountered, see the separate trouble report for details. Seeing and Weather: Beg: Cirrus, Winds Moderate Mid: Cirrus, Winds Light & Variable End: Cirrus, Winds Light & Variable Observing Summary: Cirrus clouds persisted during the night, specially the second half. Humidity remained in the 65-75% range. Light winds. After filling the dewar at the end of the night, I moved the hose too soon (was still frozen) and it broke. ------------------------------ Submitted on 2019 Mar 4 [3:52:09]