MDM Observatory 2.4m Telescope Observing Report for 2009 Jul 20

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

Instrument: modspec+echelle+Andor guidecam

Worked for 4 hours (last half of the night)
Conditions were Mixed most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Clouds from start until midn..
   Beg: Overcast, Winds Light & Variable
   Mid: Seeing 1.5 arcsec, Patchy Clouds, Winds Light & Variable
   End: Seeing 1 arcsec, Clear, Winds Moderate

Observing Summary:

Huge thunderstomr with torrential rain before sunset, but cleared
after midnight.  Some cloud for a while, but by dawn it was pretty
good.  Seeing started out ragged but improved to decent.

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Submitted on 2009 Jul 21 [5:10:59]