MDM Observatory 2.4m Telescope Observing Report for 2011 Mar 26 Observer(s): Grier Institution(s): OSU Instrument: OSMOS Worked for 6 hours (first half of the night) Bad weather most of the night. No equipment or software problems were encountered. Seeing and Weather: High Humidity from 12:30 until 3:00. Beg: Seeing 1.5 arcsec, Clear, Winds Calm Mid: Seeing 1.1 arcsec, Clear, Winds Calm, humidity high End: Clear, Winds Calm, high humidity Observing Summary: Had to close at 12:30pm due to high humidity in the dome. Later also observed condensation on the cars outside. The humidity went down at about 3am but I did not re-open due to worries about condensation. Got in about 6 hours of observing-- weather was photometric but the seeing was not so good-- it kept spiking to about 2 . Other than that, no problems. ------------------------------ Submitted on 2011 Mar 27 [5:19:00]