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Other Clouds
- Arcus
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Optical Effects
- 22° Halo
- 46° Halo
- Circumhorizon Arc
- Circumscribed halo
- Circumzenithal Arc
- Cloudbow / Fogbow
- Corona
- Crepuscular rays & shadows
- Diffuse arcs
- Green flash
- Glory
- Halos
- Helic arc
- Infralateral arc
- Iridescence
- Lower Sun Pillar
- Lower Tangent Arc
- Moonbow
- Moondogs
- Parhelic circle
- Parry antisolar arcs
- Parry arc
- Parry infralateral arc
- Parry supralateral arc
- Rainbow
- Sub parhelion
- Sub-sun
- Suncave parry arc
- Sun dog (Parhelion)
- Sun pillar
- Supernumerary bows
- Subparhelic circle
- Supralateral arc
- Upper tangent arc
- Wegener arc
22-degree halo over San Carlos Bay, Sonora, Mexico
A classic example of a 22-degree halo spotted over Lerwick, Shetland, Scotland
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Cumulonimbus incus spotted over Puigcerdà, Spain
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A vivid corona spotted over Brighton, Colorado, US
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Sun Dog (Parhelion), which displays a distinct color gradient caused by the refraction of sunlight through ice crystals, with red on the inside (closest to the sun) and fading through orange and yellow to blue/violet on the outer edge, spotted over Ormskirk, West Lancashire, England
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22-degree halo spotted over Petaluma, California, US
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Cirrostratus undulatus spotted over Pic de Montaut in the French Pyrénées, near Sarrancolin, France
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Moon Dogs, also known as paraselenae, a rare optical phenomenon, spotted along with a 22-degree lunar halo over Sumirago, Varese, Italy
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A plethora of contrails spotted by Alexia's friend, Ted Burrowes, near Lexington, Virginia, US
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22-degree halo spotted in the mountains near Mercogliano, Avellino, Italy
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22-degree halo spotted over Portland, Oregon, US
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22-degree halo spotted over Berkeley, California, US
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A vibrant, multi-ring corona spotted over Brighton, Colorado, US
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22-degree halo spotted by John's sister-in-law, Patricia Heath, over the Basílica Catedral de Lima, Peru
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A vivid corona spotted over the National Cathedral, Washington D.C., US
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Sun Dogs (Parhelia) spotted over Portage, Wisconsin, US
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