Upper Tangent Arc by RNitze
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Description
This is a halo effect caused by horizontal orientated ice crystals in a Cirrostratus cloud. The sunrays get a retfraction inside these crystals and form this wavelike shape in the sky.
The Upper Tangent Arc change its form, when the sun comes up or go down. More about this later...
Comments are welcome!
Best, Reinhard!
Comments (3)
aangus
Wow! another strange atmospheric effect captured well. Why don't you have a look at "Atmospheric optics" web page for more on this kind of stuff.
jcv2
Love those atmospheric phenomenons! Great view, rarely observed by pessimists! :)
hasexx
excellent shot of this sky and halo!!! wait for more :-)