Diamond Dust Halos
Taken by Lauri Kangas on March 19, 2016 @
Fort Frances, Ontario, Canada
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Camera Used: Canon Canon EOS 6D
Exposure Time: 1/1600
Aperture: f/16.0
ISO: 500
Date Taken: 2016:03:19 23:49:26
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Details:
On the morning of March 19, 2016 at approximately 9:00 a.m. CDT, I was driving into the town of Fort Frances, Ontario when I noticed a very strong solar halo and CZA. As I drove further east into town I noticed the halos had disappeared. I turned around and drove back to the area where I had first observed the halos. Luckily, I was on my way to one of my wife’s art festivals and I had a 20mm lens and full frame Canon 6D camera with me. I was pressed for time but managed to pull over in a parking lot and take some photos. The “Diamond Dust” was floating around like glitter in the sky. There was some hoar frost in the area but I am not sure where the diamond dust ice crystals were coming from but I was not far from the Rainy River which separates Fort Frances, Ontario, Canada from International Falls, Minnesota, USA. The falls on the Rainy River at the border crossing may have been contributing to the ice crystals in the air. The atmospheric optics were very localized and were occurring in a small area probably around 1/8 mile.
I was able to capture, a 22 degree solar halo, sun dogs, partial parhelic circle, weak upper tangent arc, circumzenithal arc, and what I believe to be a supralateral arc (possibly a more rare 46 degree, but I am not an expert in this field). I was unable to see any other rare halos. This is the best naturally occurring atmospheric optics I have ever seen (no ski hill snow making machines or other man made phenomena).
The ice crystals floating in the air are visible in most of the photos.
Photographer's website:
http://www.photon-echoes.com
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