MDM Observatory 2.4m Telescope Observing Report for 2021 Jun 14 Observer(s): Melso/Sitaram Institution(s): Columbia University Instrument: CHaS Worked for 2 hours (last half of the night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: Clouds from 8 until 2. Beg: Overcast, Winds Calm Mid: Patchy Clouds, Winds Calm End: Clear, Winds Calm Observing Summary: Some clouds in the beginning of the night. Used the time to address light leaks and collect dark/calibration images. Opened around 2 AM and collected great images of some of our nebula targets. Nominal performance from telescope and CHaS. ------------------------------ Submitted on 2021 Jun 15 [4:54:00]