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Optical Effects
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A reclusive lenticularis in a turbulent sky over Milborne Wick, Somerset, UK.
Low level clouds over Xinyi District, Taipei City, Taiwan
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Altocumulus over Winthrop, Washington, US
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Cumulus clouds passing underneath a layer of altocumulus stratiformis, spotted over Falls Church, Virginia, US
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Altocumulus lenticularis in the evening sky over Segovia, Spain
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Multiple contrails in the blue sky over Marina Town, Fukuoka City, Japan
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22-degree halo over the Twillingate Lighthouse in Newfoundland, Canada
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A reflection of cumulus clouds in Northern California, US
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Stratocumulus over Baltimore, Maryland, US
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Virga amidst a colourful background, spotted over Cambridge, England
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A developing storm system near Taylor, Texas, US
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Spotted from inside a train, undulatus near Milton Keynes, Buckinghamshire, England
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Undulatus and Kelvin-Helmholtz (Fluctus) spotted at different levels of the troposphere, near North Devon, England
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Fluctus (Kelvin-Helmholtz) just below the view of the moon, spotted over Metheringham, Lincolnshire, England
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A storm system over Goldendale, Washington, US
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A semi-circle of cumulus over Khomeynishahr, Esfahan, Iran
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