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Other Clouds
- Arcus
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- Cap / banner clouds
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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
Moon Dogs, also known as paraselenae, a rare optical phenomenon, spotted along with a 22-degree lunar halo over Sumirago, Varese, Italy
A colourful sunset over North Dundas Township, Ontario, Canada
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A view from high above the clouds, near Seattle, Washington, US
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A variety of clouds spotted over Micco, Florida, US
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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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A blanket of Altocumulus stratiformis as viewed from above the clouds, spotted over Lake Michigan on approach to O'Hare International Airport, Chicago, Illinois, US
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The shadow of the plane's contrail guiding the way for it's flight over eastern Arizona, US
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Following a gray and featureless day, this was the view shortly after sunset over Arnhem, The Netherlands
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22-degree halo spotted over Portland, Oregon, US
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Sun Pillar at sunset over Sumirago, Varese, Italy
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Corona spotted over Damyns Hall Airfield, Essex, England
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Multiple contrails heading towards the horizon, spotted over Atago Bridge, Fukuoka City, Japan
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A tiny face appears in the clouds over Estrella Foothills, Arizona, US
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A view shortly after sunset over Sun City, Texas, US
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Altocumulus lenticularis spotted over Camas Refuge, Idaho, US
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