MDM Observatory 2.4m Telescope Observing Report for 2021 Sep 30 Observer(s): M. Sitaram, N. Melso, I. Cevallos Aleman Institution(s): Columbia University Instrument: CHaS Worked for 4 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 6 PM until 1 AM. Beg: Overcast, Winds Calm Mid: Patchy Clouds, Winds Calm End: Clear, Winds Calm Observing Summary: Successfully installed CHaS on the telescope. Used the cloudy first half of the night for taking dark calibration images and fixing light leaks. For the second half, collected great images of one of our galaxy targets. ------------------------------ Submitted on 2021 Oct 1 [5:12:34]