MDM Observatory 2.4m Telescope Observer's Report for 2001 Apr 15

Observer(s): scharf
Institution(s): columbia

Instrument: 8K

Worked for 9 hours (all night)
Conditions were Photometric most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   Beg: Seeing 0.8 arcsec, Clear, Winds Calm
   Mid: Seeing 1.3 arcsec, Clear, Winds Calm
   End: Seeing 1. arcsec, Clear, Winds Calm

Observing Summary:

No problems.
Seeing initally very good (~0.7-0.8), but deteriorated to ~1-1.3 arcsec
over periods in the night. Ambient temperature drop larger
than expected so mirror probably ~1-2 degrees warmer than ideal.

Nitrogen dewar seems light (low).

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Submitted on 2001 Apr 16 [5:06:52]