MDM Observatory 2.4m Telescope Observer's Report for 2005 Oct 04

Observer(s): Fesen
Institution(s): Dartmouth

Instrument: Direct Echelle

Worked for 4 hours (part of the night)
Conditions were Mixed most of the night.
No equipment or software problems were encountered.

Seeing and Weather:
   High Humidity from 9:30 until 2:30.
   Beg: Seeing 0.9 arcsec, Clear, Winds Calm
   Mid: Clear, Winds Calm, high humidity
   End: Seeing 0.85 arcsec, Clear, Winds Calm

Observing Summary:

Clear at sunset but humidity rose within two hours of darkness
past 90%. Opened up briefly near midnight but humidity only
stayed below 85% after 2:30 am. Otherwise, very clear night
with excellent seeing at times.

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Submitted on 2005 Oct 5 [12:52:36]