Lunar Halo over Ballyshannon Donegal May 2016

Lunar Halo over Ballyshannon Donegal May 2016

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Lunar Halo Over Ballyshannon South Donegal on the 5th of May 2016



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A 22° halo is an optical phenomenon that belongs to the family of ice crystal halos, in the form of a ring with a radius of approximately 22° around the Sun or Moon. When visible around the moon, it is called a moon ring or winter halo.