MDM Observatory 2.4m Telescope Observing Report for 2011 Apr 15

Observer(s): Jackie Faherty
Institution(s): American Museum of Natural History

Instrument: Nellie

Worked for 8 hours (all night)
Conditions were Non-Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Seeing 0.8 arcsec, Cirrus, Winds Moderate
   Mid: Seeing 1.5 arcsec, Cirrus, Winds Moderate
   End: Seeing 1 arcsec, Cirrus, Winds Light & Variable

Observing Summary:

I used the He II filter that Bob installed for me at the start of the evening.
Everything worked well with it.  The seeing seemed variable throughout the night and the wind
was very strong at the beginning.  I had an issue with the guider twice.  At one point it 
lost the guide star (even though it looked bright and was started at the center
position of the guider) and the exposure jumped.  By the end of the night the guide probe was way off.

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Submitted on 2011 Apr 15 [5:58:39]