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Optical Effects
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Altocumulus spotted in the morning sky over São Paulo City, Brazil
A mixed sky over Hocksauerlandkreis, North Rhine-Westphalia, Germany
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Altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted over Blairgowrie, Perthshire, Scotland
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Altocumulus stratiformis spotted over New Taipei City, Taiwan
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Altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted over Sanxia District, New Taipei City, Taiwan
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Altocumulus stratiformis spotted over Zhongshan District, Taipei City, Taiwan
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A range of Altocumulus on display over Banqiao District, New Taipei City, Taiwan
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A variety of Altocumulus formations spotted over Khomeynishahr, Esfahan Province, Iran
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A layer of Altocumulus stratiformis spotted near Crank, Merseyside, England
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Altocumulus stratiformis spotted by Anuja's daughter-in-law, Nikitha Surabhi, over Port Louis, Mauritius
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Signs of a Fallstreak Hole (Cavum) spotted over Prerow, Germany
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Signs of Altocumulus stratiformis undulatus over Hamilton, Ontario, Canada
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Altocumulus stratiformis spotted by Anuja's nephew, Abhimanyu Sinha, over Edinburgh, Scotland
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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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Fallstreak Hole (Cavum) spotted over Northampton, England
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A symphony of clouds over Goodyear, Arizona, US
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