MDM Observatory 2.4m Telescope Observing Report for 2015 Apr 15

Observer(s): Ryan Chornock
Institution(s): Ohio University

Instrument: MarkIII/Echelle

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 1.2 arcsec, Clear, Winds Moderate
   Mid: Seeing 1.5 arcsec, Clear, Winds Moderate
   End: Seeing 1.8 arcsec, Clear, Winds Moderate

Observing Summary:


Conditions were somewhat worse tonight than the previous one.
The winds were pretty high (~20 mph) at dusk, but fairly steady.  They died down after midnight only to pick up again at sunrise.
There was a pretty steep drop in the temperature over the course of the night, ending at 2 deg. C in the morning.  I had to continually adjust the focus to keep up.
Seeing was OK at the start, but really blew up at the end. Clear throughout.

No problems to report.

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Submitted on 2015 Apr 16 [6:14:40]