MDM Observatory 2.4m Telescope Observer's Report for 2007 Apr 27 Observer(s): McGreer Institution(s): Columbia Instrument: Echelle Worked for 9 hours (all night) Conditions were Non-Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.5 arcsec, Patchy Clouds, Winds Calm Mid: Seeing 1.5 arcsec, Clear, Winds Calm End: Seeing 1.2 arcsec, Clear, Winds Calm Observing Summary: Sky cleared up around 9pm, after that only an occasional thin cloud. Overall good conditions and I was able to do z-band imaging of about 25 quasar candidates. No problems with the filter wheel. ------------------------------ Submitted on 2007 Apr 28 [5:40:57]