MDM Observatory 2.4m Telescope Observing Report for 2009 Jan 01

Observer(s): Halpern Schroeder
Institution(s): Columbia

Instrument: CCDS

Worked for 10 hours (most of the night)
Conditions were Photometric most of the night.
Problems were encountered, see the separate trouble report for details.

Seeing and Weather:
   Beg: Seeing 1.0 arcsec, Clear, Winds Calm
   Mid: Seeing 1.0 arcsec, Clear, Winds Calm
   End: Seeing 1.0 arcsec, Clear, Winds Calm

Observing Summary:

The tracking slipped three times tonight, a few arcminutes to the east.

We have determined a fairly consistent tracking rate of 15.0674; stable for most of the night.

Next observer requests 350 lines/mm.

MIS secondary mirror stopped moving at 3:15 am.

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Submitted on 2009 Jan 2 [4:17:51]