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Optical Effects
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A line of developing Cumulus congestus spotted over east central Ohio, US
Contrails spotted over Lisboa, Portugal
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Sunrise captured by David's son, Craig West, near Otterburn, Northumberland, England
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Shortly after sunrise, the view from above, sandwiched between layers of clouds during a flight from Glasgow to Stansted, spotted near Dilhorne, England
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Two contrails spanning across the sky, spotted over a layer of stratocumulus, near Modbury Heights, Adelaide, South Australia, Australia
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Remnants of a contrail spotted over Gaw Hill, Ormskirk, England
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Remnants of contrails spotted over Rhode Island, US
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Circumzenithal Arc spotted over Amenia, New York, US
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A pair of contrails spotted over Tucson, Arizona, US
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An 'e' out of the remnants of contrails, spotted at sunrise over Klein-Linden, Gießen, Germany
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On the road towards stratocumulus clouds, spotted over Alentejo, Portugal
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Birds flying beneath cirrostratus, spotted over Esfahan, Iran
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A layer of altocumulus above what appears to be low-lying stratus clouds formed via homogenitus, as a result of the nearby power plant and a variety of particles that act as condensation nuclei. This view overlooking Uskmouth Power Station, South Wales, is from Portishead, Somerset, England.
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Sunrise over San Leandro, California, US
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Cirrus uncinus spotted over Willits, California, US
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Feathers drifting across the sky, over Monastery Santa Maria de Montserrat, near Barcelona, Spain
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