MDM Observatory 1.3m Telescope Observing Report for 2025 Dec 19 Observer(s): Jules Halpern Institution(s): Columbia U. Instrument: Templeton Worked for 12.5 hours (all night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.5 arcsec, Clear, Winds Moderate Mid: Seeing 1.3 arcsec, Cirrus, Winds Moderate End: Seeing 1.5 arcsec, Clear, Winds Moderate Observing Summary: Excellent night with only a brief period of thin clouds in the middle. ------------------------------ Submitted on 2025 Dec 20 [6:58:06]