Canada/USA Astronomical Seeing Observation Program

Astronomical-Seeing Observation Details

1. Observer
Tim R Crawford
2. Site
N45.80 W123.97 (N4548' W12358')
3. Scope
12 inch F/10.0 Mirror. Closed top. Closed bottom. Fan cooled: No.
4. Time
2003-08-18 10:30:00 PDT (GMT -7)
2003-08-18 17:30:00 UTC
5. Observing Conditions
435X. 76.0 up. Was cooling for 3h00m.
Appearance of out-of-focus star: Slow flicker
6. Seeing Observation
Star Image III (3 out of 5)
8. CommentsClose to a IV! Excellent air but clouds moved in by 11:30. Previous night viewing was 4 hours but only a II
Date Entered2003-08-19 16:45:24 UT

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