MDM Observatory 2.4m Telescope Observing Report for 2009 Apr 30

Observer(s): Statler, Cotto-Figueroa
Institution(s): Ohio University

Instrument: Direct/Echelle

Worked for 10.5 hours (all night)
Conditions were Non-Photometric most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   Beg: Seeing 2.0 arcsec, Cirrus, Winds Light & Variable
   Mid: Seeing 1.0 arcsec, Cirrus, Winds Light & Variable
   End: Seeing 1.5 arcsec, Cirrus, Winds Light & Variable

Observing Summary:

Good night of near-Earth asteroid photometry. Bad seeing in
the first part of the night gradually improved. Stayed mostly
clear despite approaching storm. But extensive cirrus at sunset
and sunrise indicates it was never photometric. Some bad behavior
in bias levels started appearing at the end of the night; see
trouble report.

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Submitted on 2009 May 1 [5:37:18]