MDM Observatory 2.4m Telescope Observing Report for 2016 May 11 Observer(s): Jianfeng Wu Institution(s): University of Michigan Instrument: OSMOS/B Worked for 10 hours (all night) Conditions were Non-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 Calm End: Seeing 1.8 arcsec, Clear, Winds Calm Observing Summary: Mostly clear all night. Seeing was excellent at the beginning and getting worse towards the end. Doing spectroscopy all night. Observed three targets. All necessary calibration data are also taken. ------------------------------ Submitted on 2016 May 12 [5:40:06]