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Anticorona occurs at the point opposite a source of light. It is made up of one or more colored rings that appear around the shadow cast by an observer on a cloud or in fog. It’s a luminous edging around the shadow of an observer or the point where his or her shadow would fall, as thrown by the sun upon a cloud or fog bank, also known as Spectre of Brocken, Brocken bow, or mountain spectre.

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