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Monday, March 05, 2007

Anticrepuscular Rays and Rising eclipsed Moon

The eclipsed Moon rises over the Rincon Mountains east of Tucson Arizona. The Moon had left the Umbra about 15 minutes before appearing above the mountains and a slight assymetry can be seen in the shade of the Moon which is still in the Penumbra of Earths shadow. The deepest part of the Earths shadow is also visible above the mountains and anticrepuscular rays alternate orange and blue in the sky overhead. This view is from "A Mountain" (also known as Sentinel Peak) west of town. Downtown Tucson is at the left edge of the frame with the UofA Campus directly behind the downtown buildings. The dry Santa Cruz riverbed meanders along in the foreground. This image was taken at 18mm focal length with an exposure of 1/3 seconds at f/8, ISO 100.
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