MDM Observatory 2.4m Telescope Observing Report for 2022 Apr 19 Observer(s): Alejandro Nunez, Luna Wang Institution(s): Columbia University Instrument: OSMOS/B Worked for 9 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Clear, Winds Moderate Mid: Clear, Winds Light & Variable End: Clear, Winds Light & Variable Observing Summary: Weather was very consistent throughout the whole night: clear skies, low humidity, light to moderate winds. When opening the dome (and before opening the mirror covers), we noticed that the AC duct was separated from the mirror cover. ------------------------------ Submitted on 2022 Apr 20 [4:25:25]