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22° halo around the Sun 22° halo around the Moon. A 22° halo is an atmospheric optical phenomenon that consists of a halo with an apparent diameter of approximately 22° around the Sun or Moon. Around the Sun, it may also be called a sun halo. [1] Around the Moon, it is also known as a moon ring, storm ring, or winter halo.
A 22° halo around the Sun, observed over Bretton Woods, New Hampshire, USA on February 13, 2021 A 22° halo and circumscribed halo around the Moon, observed near Kitt Peak National Observatory From top to bottom: A circumzenithal arc, supralateral arc, Parry arc, upper tangent arc, and 22° halo
A parhelic circle is a type of halo, an optical phenomenon appearing as a horizontal white line on the same altitude as the Sun, or occasionally the Moon. If complete, it stretches all around the sky, but more commonly it only appears in sections. [2] If the halo occurs due to light from the Moon rather than the Sun, it is known as a ...
Two sun dogs often flank the Sun within a 22° halo. The sun dog is a member of the family of halos caused by the refraction of sunlight by ice crystals in the atmosphere. Sun dogs typically appear as a pair of subtly colored patches of light, around 22° to the left and right of the Sun, and at the same altitude above the horizon as the Sun ...
On Thursday, residents of Mexico City were treated to a dazzling spectacle when a halo formed around the sun above the Mexican capital. Haloes like this one appear around the sun or moon when ...
Several distinct halo phenomena are featured in the photo: Two sun dogs (bright spots), a parhelic circle (horizontal line), a 22° halo (circle), and an upper tangent arc and a Parry arc (top). Complex Moon halo. Visible are: halo, Parry arc, upper tangent arc and Moon dogs. Upper tangent arc and sunvex Parry arc seen over Santa Rosa Beach ...
In its full form, the arc has the appearance of a large, brightly spectrum-coloured band (red being the topmost colour) running parallel to the horizon, located far below the Sun or Moon. The distance between the arc and the Sun or Moon is twice as far as the common 22-degree halo. Often, when the halo-forming cloud is small or patchy, only ...
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