Canada/USA Astronomical Seeing Observation Program
Astronomical-Seeing Observation Details
1. Observer
Ajay Narayanan
2. Site
N47.30 W122.23
(N47°18' W122°13')
3. Scope
9 inch F/10.0 Mirror. Closed top. Closed bottom. Fan cooled: No.
4. Time
2009-07-29 22:00:00 PDT (GMT -7)
2009-07-30 05:00:00 UTC
5. Observing Conditions
1X. 90.0° up. Was cooling for 1h30m. Appearance of out-of-focus star: --not observed--
6. Seeing Observation
Star Image III
(3 out of 5)
8. Comments
The observing conditions for Western Washington were off the mark - in particular transparency was poor due to high haze. Only the brightest constellation marker stars were visible on Jul 29 and 30. Suspect this is from vapor produced due to record breaking temperatures.