MDM Observatory 2.4m Telescope Observing Report for 2018 May 12 Observer(s): Weil Institution(s): Dartmouth Instrument: OSMOS/B Worked for 8 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 1.5 arcsec, Clear, Winds Moderate, Haze Mid: Seeing 1.5 arcsec, Clear, Winds Moderate, Haze End: Seeing 1.5 arcsec, Clear, Winds Moderate, Haze Observing Summary: Overall a very good and productive night of observing. Moderate winds throughout the night with a bit of haze at sunset and on the horizon throughout the night. Two times in the early part of the night the dome ran away, and went 180 degrees the wrong way. ------------------------------ Submitted on 2018 May 13 [5:12:39]