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Double rainbow |
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On primary and secondary rainbows, colors are inverted. Notice the supernumerary arcs (recurrence of purple and green bands) located under the primary rainbow. They have for origin constructive interference phenomenon inside rain droplets. |
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Instrument |
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76 mm focal length |
Exposure & film |
1/250 s with digital camera DC3400 Zoom |
Date & place |
February 25, 2002, St Herblain (Loire Atlantique) |
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A Shower of Stars in Brittany
Brittany by night in panorama!
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