MDM Observatory 2.4m Telescope Observer's Report for 2005 Sep 13

Observer(s): John Thorstensen
Institution(s): Dartmouth

Instrument: echelle CCD direct + 2in FW

Worked for 11 hours (all night)
Conditions were Photometric most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   Beg: Seeing 1 arcsec, Clear, Winds Light & Variable
   Mid: Seeing 1 arcsec, Clear, Winds Light & Variable
   End: Seeing 1.2 arcsec, Clear, Winds Moderate

Observing Summary:

A fine night, photometric throughout; the seeing was always at
least decent and occasionally very good.  Parallax work on 
cataclysmics and proper motion stars, and some multicolor
photometry of CVs.

Trouble consisted of one minor dome glitch.

Observed a green flash at sunrise!  Atmosphere seems unusually
transparent.

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Submitted on 2005 Sep 14 [6:14:00]