MDM Observatory 2.4m Telescope Observer's Report for 2007 Dec 21 Observer(s): Fesen, Gerardy, Milisavljevic Institution(s): Dartmouth Instrument: CCDS Worked for 13 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing .8 arcsec, Clear, Winds Moderate Mid: Seeing 1 arcsec, Clear, Winds Calm End: Seeing 1.2 arcsec, Clear, Winds Calm Observing Summary: Excellent night. Observed supernovae at moderate dispersion. Seeing as subarcsecond at the beginning, and just over one arcsecond at the end. High winds at start but calmed down by midnight. N.B.: Hot water heater trips breaker switch every few hours. ------------------------------ Submitted on 2007 Dec 22 [8:33:23]