MDM Observatory 2.4m Telescope Observing Report for 2019 Dec 01 Observer(s): Weil Institution(s): Dartmouth Instrument: OSMOS/B Worked for 13 hours (all night) Conditions were Photometric most of the night. Problems were encountered, see the separate trouble report for details. Seeing and Weather: Beg: Seeing 1+ arcsec, Clear, Winds Light & Variable Mid: Seeing 1+ arcsec, Clear, Winds Calm End: Seeing 1+ arcsec, Clear, Winds Calm Observing Summary: Overall good night of observing. The telescope jumped in RA multiple times while tracking at the beginning of the night. Tightening the RA drive spring plate fixed the problem. ------------------------------ Submitted on 2019 Dec 2 [7:14:22]