Strange but fascinating weather conditions
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Strange clouds, extreme rainfall, a magnificent rainbow, fascinating sunlight, low fog, striking reflections, halos, lightning balls, tornados, you name it. As long as it is out of the ordinary and beautifully captured.
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Saturday, 26th May, 2012 (GMT)
Saturday, 2nd June, 2012 – Friday, 8th June, 2012 (GMT)
Saturday, 9th June, 2012 – Friday, 15th June, 2012 (GMT)
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A 22° halo is a halo, one type of optical phenomenon, forming a circle 22° around the sun, or occasionally the moon. It forms as sunlight is refracted in hexagonal ice crystals suspended in the atmosphere. As the light beam passes through two sides of the prism forming a 60° angle, the angle of minimum deviation is almost 22° (namely, 21.84° on average; 21.54° for red and 22.37° for blue). This wavelength-dependent variation in refraction causes the inner edge of the circle to be reddish while the outer edge is bluish.
|Submitted:||Saturday, 2nd June, 2012 09:30 (GMT)|
|Taken:||Monday, 1st November, 2010|
|Focal length:||24 mm|
|Shutter speed:||1/1600 sec|
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|Fascia walkie talkie building London by ian herridge|
from Abstract Architecture
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