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Directory Root >> Events >> Atmospheric Optics >> Halos >> Parhelions

Parhélie gauche 04 (567 x 425 - 28 Ko)

©Serge Vasseur [info]

Photo taken on Sunday 27 February 2005 in Presles (Val d'Oise)
[Digital Photo Camera]
CANON Powershot S 50
Exposure : 1/250 à 8
[Without telescope]
seen 1405 times
Author 's note :
Heure locale:17h20
Hauteur du soleil: 10° 30'
Un classique parhélie gauche, certes, mais aussi une belle illustration de la dispersion de la lumière. (Absence du bleu au bleu-vert).
L'étagement des nuages localise le phénomène, bientôt masqué par l'énorme barre cumuliforme.
Il y a toute les chances de penser qu'au-dessus de ces cumulus ou plus généralement de ces nuages bas, gênants, parhélies, halos et arcs persistent longtemps encore... Mais comment les apercevoir?

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