MDM Observatory 2.4m Telescope Observing Report for 2021 May 23 Observer(s): Melso/Sitaram Institution(s): Columbia University Instrument: CHaS Worked for 4 hours (all night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Smoke, Winds Calm Mid: Clear, Winds Calm End: Clear, Winds Calm Observing Summary: Did not open for the first half of the night. KPNO domes were closed due to smoke/haze from nearby wildfire. Opened with KPNO domes later in the night and continued to monitor fire/winds. Observed galactic targets with CHaS. ------------------------------ Submitted on 2021 May 24 [4:33:55]