Circumscribed halo

Rarity: Common

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Notion

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Science and technology

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What Wikipedia says

A circumscribed halo is a type of halo, an optical phenomenon typically in the form of a more or less oval ring that circumscribes the circular 22° halo centred on the Sun or Moon.

Excerpt from the Wikipedia article “Circumscribed halo”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Omtapas, Public domain, via Wikimedia Commons.