MDM Observatory 2.4m Telescope Observing Report for 2017 Jun 23 Observer(s): John Thorstensen Institution(s): Dartmouth Instrument: modspec + echelle CCD 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+ arcsec, Cirrus, Winds Moderate Mid: Seeing 1 arcsec, Cirrus, Winds Moderate End: Seeing < 1 arcsec, Cirrus, Winds Light & Variable Observing Summary: Mostly clear night with cloudy intervals. Ambient temperature crept up during the night and the mirror remained a couple degrees below ambient; the seeing got to be very good later in the night. No problems. ------------------------------ Submitted on 2017 Jun 24 [5:25:05]