Aurora Dunes
Taken by Matti Helin on October 7, 2015 @
Finland, Lieto
Click photo for larger image
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Camera Used: NIKON CORPORATION NIKON D600
Exposure Time: 6/10
Aperture: f/2.8
ISO: 1250
Date Taken: 2020:01:29 18:39:26
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Details:
I, other aurora photographers from Finland and scientists from the Helsinki University discovered a new aurora form, Dunes. The discovery was announced today.
I include two pictures I took on the 7th October 2015, where you can see this new phenomenon. They appear as horizontal waves (The second picture helps you to identify them). The study was mostly made using images and data from 7th October 2018:
"Citizen science discovers a new form of the Northern Lights
Working together with space researchers, Finnish amateur photographers have discovered a new auroral form. Named 'dunes' by the hobbyists, the phenomenon is believed to be caused by waves of oxygen atoms glowing due to a stream of particles released from the Sun..."
https://www.helsinki.fi/en/news/science-news/citizen-science-discovers-a-new-form-of-the-northern-lights
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2019AV000133
https://www.taivaanvahti.fi/observations/browse/pics/3452161/comments/desc/0/20
Photographer's website:
https://mattihelin.kuvat.fi
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