MDM Observatory 2.4m Telescope Observing Report for 2013 Apr 21

Observer(s): Hainline, Goulding
Institution(s): Dartmouth College

Instrument: OSMOS

Worked for 10 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 2 arcsec, Clear, Winds Light & Variable
   Mid: Seeing 2 arcsec, Clear, Winds Light & Variable
   End: Seeing 1.3 arcsec, Clear, Winds Calm

Observing Summary:

While it seemed like it would be a clear night, we had some pretty crummy 1.5 - 2 
seeing for the bulk of the night, but it got down to around 1.2  near the end. We
observed a MOS set-up (mask 523841) using the triple prism, as requested, although
the calibration images were about saturated, even at 1s exposures. We then went
and observed some repeat Sy2 in longslit mode using new P.A.s, although we found
that when we were at large negative position angles, the guide stars jumped around
during guiding, as if MaximDL didn't know exactly the angle. I suppose that there is
an easy fix for this, but once it settled down things went ok. We may have lost
30 min to an hour total just futzing with that. 

All in all, we had a very successful run. We observed all of the targets we had set out
to observe, got a great sample of Sy2 to add to our already large sample, and while
the seeing was never fantastic, it was good enough for the bulk of the run. Thanks!

(Also, there was a beautiful meteor shower!)

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Submitted on 2013 Apr 22 [4:55:01]