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Forums > Sailing General

Green Flash

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Created by TOAD > 9 months ago, 12 Nov 2011
TOAD
NSW, 305 posts
12 Nov 2011 7:15PM
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Allways heared stories about the "Green Flash" just as the sun dips past the horizon . Never seen it before , allways looked . Now I think I caught it on a photo . WOW . This hasn't been photoshopped , just how I took it .. Photo was taken up at Wedge Island . What do yas recon ???

dkturnbull
40 posts
12 Nov 2011 4:56PM
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The green flash is an optical phenomena consisting of a green coloration often in the form a flash of short duration (no more than 2 seconds usually) that occurs shortly after sunset or just before sunrise.



The explanation lies once again in refraction: light moves more slowly in the lower air, due to its higher density, so the sunlight follows paths that curve slightly in the same direction that the Earth is curved. Higher frequency light (green) curves more than lower frequency (red/orange) so green remains visible from the upper limb of the setting sun while the red and orange rays are obstructed by the curvature of the earth.



nebbian
WA, 6277 posts
12 Nov 2011 5:04PM
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Wow, nice work! I've looked and looked as well, never seen it though...

Was it apparent to the naked eye as well as the photo?

slainte
QLD, 2246 posts
12 Nov 2011 7:37PM
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Great shot Toad, probably never capture it like that again.



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Forums > Sailing General


"Green Flash" started by TOAD