MDM Observatory 2.4m Telescope Observing Report for 2017 Jun 20

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

Instrument: modspec + echelle CCD

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+ arcsec, Patchy Clouds, Winds Light & Variable
   Mid: Seeing 1 arcsec, Patchy Clouds, Winds Light & Variable
   End: Seeing 1 arcsec, Patchy Clouds, Winds Calm

Observing Summary:

After a rather grim-looking day with lots of cloud, and storms
brewing east of Tucson, it cleared out very nicely by evening
and the night was very good.  There were some residual clouds
around, especially in the east.  Still very warm, dropping only
to 80F at the end.  Winds less than last night, and seeing was
somewhat better. No problems.

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Submitted on 2017 Jun 21 [5:17:55]