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 The others pictures of "Cloud iridescence and coronae"
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |

Nacreous clouds
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This picture, taken one hour and a half before the previous one, show by its concentric structure that the irisations are actually sun coronae (see another example of Moon corona), if the cloud's droplets have the same diameter in the entire cloud (see this example).
Seen 11732 times See the next picture of that series.
Instrument   110 mm focal length
Exposure & film   1/2000 s with digital camera Camedia 5060
Date & place   August 21, 2004, Île de Noirmoutier

 The others pictures of "Cloud iridescence and coronae"
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |

 This picture has been published in
 Climats et météorologie (Editions Fleurus)
Publication in page 39 (upper left) in the Book "Climats et météorologie" from Fleurus editions.
To see the picture, click here 
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