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Optical Effects
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Circumzenithal Arc spotted over Arnhem, The Netherlands
A partial 22-degree halo accompanied by a sun dog, spotted over Arnhem, The Netherlands
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Storm development with various shades of grey, accompanied by signs of mammatus (mamma), spotted over Arnhem, Netherlands
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Signs of developing asperitas along the horizon, as refreshing rains dissipated the heat near Arnhem, Netherlands
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Cirrus vertebratus, which Sabine also views as her stairway to heaven, spotted near Halde Hoheward, Herten, Germany
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An afternoon parade above the rooftops, in the form of virga, spotted over Arnhem, Netherlands
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Cloud streets near Oosterbeek, Netherlands
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Morning sky with signs of altocumulus lenticularis in the distance, spotted near Arnhem, Netherlands
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A pattern of contrails near the Frisian Lakes, Friesland, Netherlands
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Incoming clouds which Sabine said followed the end of spring-like weather that had brought record-breaking warmth on this February day, near Arnhem, Netherlands
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An expansive display of cirrus uncinus over Arnhem, Netherlands
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A reflection of the sky in a canal near Leiden, Netherlands
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Full moon beyond the cirrus clouds, spotted over Arnhem, Netherlands
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Cirrostratus undulatus at sunrise over Arnhem, Netherlands
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A unique view of a rainbow from above, with an angle away from the sun and a region of available airborne water droplets, spotted on Mount Coigach, Northwestern Highlands, Scotland
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