MDM Observatory 2.4m Telescope Observing Report for 2018 Feb 28

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

Instrument: Modspec + Echelle

Worked for 9 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 Calm
   Mid: Seeing 1+ arcsec, Clear, Winds Light & Variable
   End: Seeing 1+ arcsec, Clear, Winds Light & Variable

Observing Summary:

Very clear, almost calm at first and light wind at end.  Just
below freezing.  Humidity started out a little high after 
last night's storm, but dropped through the night.  

Could not move the secondary mirror to focus the telescope - see
the trouble report.  The problem appears to be mechanical.

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Submitted on 2018 Mar 1 [6:36:19]