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Northern Green Flash

 
 
Reply Sat 23 Jun, 2012 08:15 am
Northern Green Flash
Image Credit & Copyright: Göran Strand

Explanation: As seen from Frösön island in northern Sweden the Sun did set a day after the summer solstice. From that location below the arctic circle it settled slowly behind the northern horizon. During the sunset's final minute, this remarkable sequence of 7 images follows the distorted edge of the solar disk as it just disappears against a distant tree line, capturing both a green and blue flash. Not a myth even in a land of runes, the colorful but ellusive glints are caused by atmospheric refraction enhanced by long, low, sight lines and strong atmospheric temperature gradients.

sequence of 7 images

http://blogg.astrofotografen.se/

Green Flash

http://www.atoptics.co.uk/atoptics/gf1.htm

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Region Philbis
 
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Reply Sat 23 Jun, 2012 08:20 am

http://4.bp.blogspot.com/-q_yv3Y0k_IM/T-OsfU52koI/AAAAAAAAN60/D7PG237vHlo/s640/GS_20120621_GreenFlash_0001.jpg
BumbleBeeBoogie
 
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Reply Sat 23 Jun, 2012 08:33 am
@Region Philbis,
Thanks!

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