MDM Observatory 2.4m Telescope Observing Report for 2023 Dec 14 Observer(s): Ignacio Cevallos-Aleman, Quinn Casey Institution(s): Columbia Univeristy Instrument: CHaS Worked for 12 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Clear, Winds Moderate Mid: Clear, Winds Moderate End: Clear, Winds High Observing Summary: Continued observing Galaxy targets NGC 660 and NGC 3310. Also collected additional data on the Criss-Cross Nebula in SII filter with CHaS. Conditions were good, although windy throughout the night. ------------------------------ Submitted on 2023 Dec 15 [6:36:14]