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Other Clouds
- Arcus
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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
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- Velum
- Vertebratus
- Virga
- Volutus (Roll cloud)
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
Iridescence, observed for approximately thirty minutes, spotted during a train ride between Takikawa and Ebeotsu in Hokkaido, Japan
An opening in the cloud cover, spotted over northwest Iran
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Iridescence over Sacramento, California, US
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A mixed sky over Hocksauerlandkreis, North Rhine-Westphalia, Germany
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Crepuscular rays and shadows near Gurnard, Isle of Wight, England
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Stratocumulus spotted over Conwy, North Wales
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A contrail stretching between Cumulus clouds, spotted over Broadway, Manhattan, New York, US
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Iridescence spotted over New Taipei City, Taiwan
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Sun dog (Parhelion) makes its presence known amidst a myriad of clouds over Wynnum, Brisbane, South East Queensland, Australia
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A face in the cloud admiring the iridescence, spotted over Brighton, Colorado, US
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Iridescence spotted over Bois de Vincennes, Paris, France
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Altocumulus undulatus spotted while looking west in the late afternoon, near Modbury Heights, Adelaide, South Australia, Australia
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Altocumulus perlucidus spotted over Shulin District, New Taipei City, Taiwan
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Altocumulus undulatus spotted over Conwy, North Wales
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Altocumulus with signs of lacunosus, accompanied by subtle crepuscular rays closer to the horizon, spotted over Zingst, Germany
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Iridescence spotted over Madison, Wisconsin, US
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