MDM Observatory 2.4m Telescope Observing Report for 2018 Sep 24 Observer(s): John Thorstensen Institution(s): Dartmouth Instrument: modspec + echelle ccd Worked for 11 hours (most of the night) Conditions were Non-Photometric most of the night. Problems were encountered, see the separate trouble report for details. Seeing and Weather: Beg: Seeing 1.5 arcsec, Patchy Clouds, Winds Light & Variable Mid: Seeing 1.5 arcsec, Clear, Winds Light & Variable End: Seeing 1.5 arcsec, Patchy Clouds, Winds Light & Variable Observing Summary: The night of full moon so very, very bright. Mostly clear with some intervals of altocumulus; seeing variable, mostly mediocre. No serious problems but a few glitches, including odd guider behavior I'd never seen before in all these years. ------------------------------ Submitted on 2018 Sep 25 [6:11:08]