moon ring - 22-degree halo

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moon ring - 22-degree halo

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.

22 degrees
22° halo
buildings
circle
long exposure
lunar halo
moon halo
moon ring
night sky
planet jupiter
stars
street
victorian houses
winter halo
December 25, 2012