moon ring - 22-degree halo

moon ring - 22-degree halo, 22 degrees, 22° halo, buildings, circle, lunar halo, moon halo, moon ring, night sky, planet jupiter, stars, victorian houses, winter halo
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moon ring - 22-degree halo

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Beautiful winter halo around the moon over San Francisco on Christmas eve 2012.

The planet near the moon is Jupiter. This is a 30 sec long exposure.

Moon Ring is a rather common phenomenon in winter. It happens when there is a thin layer of high clouds formed of ice crystals.

For more info about this optical phenomenon called "22-degree halo", go to en.wikipedia.org/wiki/Moon_ring.

Date & location
Photo taken on December 25, 2012
Cow Hollow, San Francisco County county, California, United States
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