MDM Observatory 2.4m Telescope Observing Report for 2019 Jan 26 Observer(s): Ryan Chornock, Laura Herzog Institution(s): Ohio University Instrument: OSMOS/B Worked for 13 hours (all night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing >3 arcsec, Clear, Winds Moderate Mid: Seeing 2 arcsec, Clear, Winds Light & Variable End: Seeing 1.5 arcsec, Cirrus, Winds Light & Variable Observing Summary: Breezy with terrible seeing to open the night. We kept on losing even bright guide stars when the seeing periodically blew up. Around 11PM, everything suddenly stabilized to a more reasonable state. Some cirrus moved overhead in the early morning. ------------------------------ Submitted on 2019 Jan 27 [7:06:06]