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Iridescent clouds | by 0olong
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Iridescent clouds

A diffraction effect. These actually happen very, very often, but in normal daylight they're too bright to look at, while in moonlight our colour perception is too weak to appreciate them. Just for about five minutes, during the eclipse, they were very clearly visible with the naked eye.

 

More: oolong.co.uk/eclipse2015

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Uploaded on March 21, 2015