MDM Observatory 1.3m Telescope Observing Report for 2010 Jun 28 Observer(s): Henderson, Shappee, van Saders Institution(s): The Ohio State University Instrument: CCDS Worked for 8 hours (all night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Patchy Clouds, Winds Calm Mid: Clear, Winds Calm End: Clear, Winds Calm Observing Summary: We took spectra of photometrically variable stars in the Cygnus OB2 Association. ------------------------------ Submitted on 2010 Jun 29 [4:22:00]