MDM Observatory 2.4m Telescope Observer's Report for 2001 Oct 20 Observer(s): Vestergaard Institution(s): OSU Instrument: Modspec 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 ~1.75 arcsec, Cirrus, Winds Calm Mid: Seeing 1.5 arcsec, Clear, Winds Light & Variable, mostly clear End: Seeing <~1.5 arcsec, Clear, Winds Light & Variable, mostly clear Observing Summary: High clouds at start of night. It dissipated to thin cirrus and mostly clear all night (few patches of thin cirrus). Seeing was no worse than 1.5 most of the night judging from the little spillover of light with an ~1 slit ------------------------------ Submitted on 2001 Oct 21 [6:25:35]