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Optical Effects
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Altocumulus stratiformis in the morning sky over Blairgowrie, Scotland
Altocumulus stratiformis undulatus, otherwise known as a 'mackerel sky', spotted over Blairgowrie, Scotland.
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Altocumulus stratiformis undulatus over Blairgowrie, Perthshire, Scotland
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Stormy skies over Blairgowrie, Perthshire, Scotland
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Nacreous clouds over Blairgowrie, Scotland.
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Clouds radiate towards the horizon over Perth, Scotland.
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Undulatus radiatus over Blairgowrie, Scotland.
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The evening sky over Blairgowrie, Scotland.
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A storm system over Blairgowrie, Scotland.
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The clouds radiate and accumulate on the horizon over Blairgowrie, Scotland.
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A sunset over Blairgowrie, Scotland.
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Radiatus over Blairgowrie, Perthshire, Scotland.
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Kelvin-Helmholtz clouds over the Tay railway bridge, Dundee, Scotland.
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A distorted lentiicularis over Blairgowrie, Perthshire, Scotland.
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A face in the clouds over Blairgowrie, Perthshire, Scotland.
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A mammatus formation over Perthshire, Scotland.
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