MDM Observatory 2.4m Telescope Observing Report for 2018 Apr 13 Observer(s): Rupert Institution(s): MDM Instrument: OSMOS/B Worked for 6 hours (first half of the night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.3 arcsec, Clear, Winds Calm Mid: Seeing 1.3 arcsec, Clear, Winds Light & Variable, Dust End: Clear, Winds Light & Variable, Dust Observing Summary: Closed up around one o' clock due to dust in the air. It was quite visible in a flashlight beam. Didn't end up opening for the rest of the night. It was another windy night. ------------------------------ Submitted on 2018 Apr 14 [4:48:48]