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Main Cloud Types
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Other Clouds
- Arcus
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- Cap / banner clouds
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- Mediocris
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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
- Undulatus
- 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
Moonset with some faint altostratus over Bluff, Utah, US
A faint red aurora borealis spotted over Crank, Merseyside, St. Helens, England
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A full moon spotted beyond the layer of intermittent clouds, over Bigfork, Montana, US
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A full moon behind a layer of altostratus over Bottesford, North Lincolnshire, England
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Altocumulus perlucidus with a view of the moon, as seen from the city streets, to which Jian-Syuan described as "the overall composition blends the solidity of urban architecture with the fluidity of natural elements, making the night both serene and dynamic, with a unique visual appeal." This scene was observed over Xinzhuang District, New Taipei City, Taiwan.
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A celestial show above the clouds, spotted over "Sandstonehenge", inclusive of Jupiter in the top right of the frame and Mars to the top left, observed near Bluff, Utah, US
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Lightning during an evening storm over Siler City, North Carolina, US
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Altostratus giving way to a celestial vantage point, captured near Bluff, Utah, US
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A lunar halo as a part of what Paul calls "Pi and the Sky" within his annual series of "Pi Formation" photographs, spotted over Bluff, Utah, US
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Lunar iridescence over Piesendorf, Austria
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A contrail from what was potentially a rocket launch approximately 300 miles south of Oakland, California, US
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An early evening view of what appears to be altocumulus undulatus spotted while looking south over Manhattan, New York, US
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Cumulus fractus with the backdrop of the moonlight, viewed in such an angle that Archana observed it looked as if the spire of the tallest structure was playfully poking the clouds, over The Burf Khalifa, Dubai, United Arab Emirates.
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Altocumulus and a rising moon over Renton, Washington, US
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Full moon beyond the cirrus clouds, spotted over Arnhem, Netherlands
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A near full moon shining through the clouds over Bigfork, Montana, US
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