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Other Clouds
- Arcus
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Optical Effects
- 22° Halo
- 46° Halo
- Circumhorizon Arc
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- Parry supralateral arc
- Rainbow
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- Sun dog (Parhelion)
- Sun pillar
- Supernumerary bows
- Subparhelic circle
- Supralateral arc
- Upper tangent arc
- Wegener arc
Cirrus uncinus over Lelant, England
Altocumulus lenticularis duplicatus spotted at sunset while looking west over the Spring Mountains, near Las Vegas, Nevada, US
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Crepuscular rays and shadows during sunset over Isle of Lewis, Scotland
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Fallstreak Hole (Cavum) spotted over Dorset, England
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Altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted over Ipswich, Suffolk, England
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Distrails over Wimborne, Dorset, England
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Altocumulus lenticularis spotted at sunset over the Sangre de Cristo Mountains north of Santa Fe, New Mexico, US
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Multiple fallstreak holes (cavum) spotted over Somerset, England
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Fallstreak Hole (Cavum) spotted from Freshwater Bay over Isle of Wight, England
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Altocumulus undulatus radiatus over Brisbane, Australia
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Crepuscular rays and shadows during sunset over Brown County, Minnesota, US
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Undulatus on full display, spotted by Peter's sister, Martha Yaney, over Darien, Connecticut, US
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Altocumulus lenticularis over Longyearbyen, Svalbard, Norway
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Altocumulus undulatus radiatus spotted over West End, Brisbane, Australia
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Altocumulus undulatus radiatus spotted over Taringa, Queensland, Australia
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Altocumulus lenticularis spotted over Black Butte, Oregon, US
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