Atmospheric optics
Taken by Rayann Elzein on November 17, 2017 @ Inari, Finnish Lapland
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  Camera Used: Canon Canon EOS-1D X Mark II
Exposure Time: 1/1250
Aperture: f/9.0
ISO: 200
Date Taken: 2017:11:18 00:07:11
 
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Details:
This morning in Finnish Lapland, the air was filled with ice crystals, and the temperature was about -17°C (1.4°F). I was driving toward the north there at 68°N. First I was driving in quite thick fog, until suddenly a big fog bow appeared in front of me. I looked back, and the low sun seemed to want to amaze me. I knew of a large hill that would allow me to drive above the cloud/fog bank, and while doing that I saw: - first a very distinctive sun halo with a sun pillar. At some point, the halo was double, but there was nowhere to stop safely. - further up, opposite to the sun, I saw my own shadow in a glory, surrounded by a fog bow - and best of all, in the direction of the sun, the brightest sundogs that I have ever seen (they were as bright as the sun itself), and even what I believe is an upper tangent arc. This fully compensates my frustration of not seeing any Auroras upon my arrival a few hours earlier!
Photographer's website:
http://https://rez-photography.com
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A fine diamond dust display. In addition to the upper tangent arc there is also a trace of a rare upper sunvex Parry arc. See image here for the configuration of the tangent and Parry arcs:
http://www.atoptics.co.uk/fz720.htm

Les - www.atoptics.co.uk
Posted by ato912 2017-11-18 09:27:49
 
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