MDM Observatory 1.3m Telescope Observing Report for 2010 Jun 23 Observer(s): Henderson, Shappee Institution(s): The Ohio State University Instrument: CCDS Worked for 8.5 hours (all night) Conditions were Mixed most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Clear, Winds Light & Variable Mid: Clear, Winds Moderate End: Patchy Clouds, Winds Calm Observing Summary: We took spectra of photometrically variable stars in the Cygnus OB2 Association. ------------------------------ Submitted on 2010 Jun 24 [4:24:28]