MDM Observatory 2.4m Telescope Observing Report for 2016 Jul 04

Observer(s): R. M. Wagner
Institution(s): OSU

Instrument: OSMOS

Worked for 8.5 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 1.8 arcsec, Patchy Clouds, Winds Calm
   Mid: Seeing 1.6 arcsec, Patchy Clouds, Winds Calm
   End: Seeing 1.2 arcsec, Patchy Clouds, Winds Calm

Observing Summary:

Productive night in spite of several problems.  Image quality was an issue at the start of
the night.  The images showed coma plus some amount of trefoil from the mirror support.  
Air bag values were fine.  The trefoil went away during the first part of the night so it could
be a thermal issue.  I had the same dome following issue as seen in a report from June 28.
I ended up running out to the chamber all night to move the dome.  I was on the same 
target all night and it had a DEC of +30 so it was really only an issue near the meridian.  The
last problem was during shutdown.  The RA drive was running even after the drives switch
on the panel was off.

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Submitted on 2016 Jul 5 [4:33:28]