MDM Observatory 2.4m Telescope Observing Report for 2021 Dec 04 Observer(s): Meghna Sitaram, Nicole Melso Institution(s): Columbia University Instrument: CHaS Worked for 11 hours (all night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: Clouds from 7 until 9. Beg: Patchy Clouds, Winds Calm Mid: Clear, Winds Calm End: Clear, Winds Calm Observing Summary: Another great night of observing with CHaS. Some patchy clouds in the beginning of the night but it cleared up quickly. Thanks to clear skies in the middle and end of the night, collected excellent data of extended structure for a few of our galaxy targets. The guide probe froze 3 times but was fixed by restarting the MIS controller. ------------------------------ Submitted on 2021 Dec 5 [6:46:05]