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 The others pictures of "Contrails"
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Skid marks?!
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1024 x 768 pixels (121 ko)

 1024 x 768 pixels (121 kB)
But what are those strange parallel streaks in the sky? Some skid marks leave by a plane?! Of course not, it is the shadows cast on the clouds by the portions of the contrail oriented toward the Sun and then dense enough to cast a shadow.
Seen 11907 times
Instrument   300 mm focal length
Exposure & film   1/6400 s with digital camera Canon 30D + Sigma 70-300 1:4-5.6
Date & place   September 26, 2007, Quimper

 The others pictures of "Contrails"
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