MDM Observatory 2.4m Telescope Observing Report for 2021 Jun 10 Observer(s): Melso/Sitaram Institution(s): Columbia University Instrument: CHaS Worked for 9 hours (all night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Cirrus, Winds Calm Mid: Cirrus, Winds Calm End: Cirrus, Winds Calm Observing Summary: Kept the CHaS instrument configuration from the previous night and had another excellent evening of observing. CHaS and the telescope performed well! Mostly clear skies with some clouds on the horizon throughout the night. Continued to observe our rotation of galaxy and nebula targets. ------------------------------ Submitted on 2021 Jun 11 [4:42:33]