MDM Observatory 2.4m Telescope Observing Report for 2009 Sep 19 Observer(s): O'Connor/Crotts/collaborators Institution(s): BNL/Columbia/IAA Instrument: User instrument LSST Prototype Worked for 11 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.2 arcsec, Clear, Winds Calm Mid: Seeing 0.8 arcsec, Clear, Winds Calm End: Seeing 0.8 arcsec, Clear, Winds Calm Observing Summary: Worked through the night with no trouble from telescope or instrument ------------------------------ Submitted on 2009 Sep 20 [6:08:31]