MDM Observatory 2.4m Telescope Observer's Report for 2004 Feb 29 Observer(s): Thorstensen Institution(s): Dartmouth Instrument: echelle CCD direct + 2in FW Worked for 11 hours (all night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 0.8 arcsec, Clear, Winds Light & Variable Mid: Seeing 1.0 arcsec, Cirrus, Winds Light & Variable End: Seeing 1.1 arcsec, Cirrus, Winds Light & Variable Observing Summary: Cirrussy episodes esp. in last 2/3 of night, but seeing was mostly good to excellent -- down below 0.7 arcsec briefly. Mirror did not cool during the day because of temperature sensor problem noted earlier, but fortunately it was a little warmer tonight so the mirror wasn't warm relative to ambient. ------------------------------ Submitted on 2004 Mar 1 [7:23:45]