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Optical Effects
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Altocumulus perlucidus spotted over Angle Lake near Seattle, Washington, US
Iridescence amidst the cumulus clouds over Rome, Italy
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Undulatus in various forms, reminding Holly of an apt quote by Keith Wynn; 'I love that no two cloud formations, since time began, have ever been the same. Each moment in time has created its own unique fingerprint.' This unique representation was spotted over Longmont, Colorado, US.
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A vivid 22-degree halo spotted around mid-day over Singapore
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Iridescence by way of a layer of cirrostratus, with nearby cirrocumulus undulatus, spotted over Sumirago, Varese, Italy
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Lunar iridescence within a layer of altocumulus, spotted from the hills overlooking the sea and the Principality of Monaco
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Iridescence amidst an opening in the sky over Winchester, England
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Altocumulus perlucidus over Laguna Beach, California, US
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Iridescence over Popayán, Colombia
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A cloud that Robyn viewed as resembling a prehistoric dinosaur creeping across the sky, spotted over Goodyear, Arizona, US
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Altocumulus lenticularis with iridescence, spotted over Paso Robles, California, US
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Altocumulus lenticularis formed right above John when he was sitting on the top of a mountain near Natches, Washington, US
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Iridescence upon clouds that take on a resemblance of a dog and a snack, spotted over Parole, Maryland, US
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Sky and surf near Seaside, Oregon, US
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Lunar iridescence spotted shortly before Midnight over Madison, Wisconsin, US
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Crepuscular rays spotted by Bill's wife, Julie, over Louisville, Kentucky, US
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