MDM Observatory 1.3m Telescope Observing Report for 2025 Dec 20 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. Problems were encountered, see the separate trouble report for details. Seeing and Weather: Beg: Seeing 1.4 arcsec, Clear, Winds Light & Variable Mid: Seeing 1.3 arcsec, Clear, Winds Light & Variable End: Seeing 1.2 arcsec, Clear, Winds Light & Variable Observing Summary: At the start of the night the TCS socket was not connected. Eric responded quickly with instructions to David Schiminovich, who reset the port server in the computer room. Had similar observing conditions as last night: excellent seeing with only a brief period of clouds early in the night. ------------------------------ Submitted on 2025 Dec 21 [6:54:30]