MDM Observatory 2.4m Telescope Observer's Report for 2001 Apr 22 Observer(s): Dani Maoz, Avishay Gal-Yam Institution(s): Columbia Instrument: 8k Worked for 8 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 1.8 arcsec, Clear, Winds Moderate End: Seeing 1.8 arcsec, Clear, Winds Moderate Observing Summary: Clear night. Seeing fair (~1.2 ) at begining and deteriorating after midnight due to moderate winds (up to 25 Mph). ------------------------------ Submitted on 2001 Apr 23 [5:27:36]