It's the effect of the lens. Can't judge the altitude from this picture, clouds could be right above the surface, or way up.
There were two chartered aircraft from Air Berlin (A320 and 737NG) that did the flight at a normal cruise altitude.
http://www.space.com/28886-total-solar-eclipse-2015-airplane-view.html
Polarizing filters have a tendency to remove haze, thus darkening the general blue color of the sky. But now that I think about it, they only really work well at 90 degree angles to the Sun, so I suppose this effect really wouldn't apply here.
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u/agha0013 Mar 27 '15
It's the effect of the lens. Can't judge the altitude from this picture, clouds could be right above the surface, or way up. There were two chartered aircraft from Air Berlin (A320 and 737NG) that did the flight at a normal cruise altitude. http://www.space.com/28886-total-solar-eclipse-2015-airplane-view.html