MDM Observatory 2.4m Telescope Observing Report for 2019 Sep 12 Observer(s): Rupert Institution(s): MDM Instrument: OSMOS/B Worked for 10.5 hours (most of the night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: Clouds from start until 8:45. Beg: Seeing 1.4 arcsec, Cirrus, Winds Light & Variable Mid: Seeing 1.0 arcsec, Clear, Winds Light & Variable End: Seeing 1.0 arcsec, Clear, Winds Calm Observing Summary: Cirrus prevented any good imaging until about 8:45. No issues after that. ------------------------------ Submitted on 2019 Sep 13 [5:02:12]