Isolated Proton Aurora
Taken by Alan C Tough on January 19, 2026 @
Elgin, Moray, Scotland, UK
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Camera Used: Canon Canon EOS 5D Mark III
Exposure Time: 5/1
Aperture: f/3.2
ISO: 1600
Date Taken: 2026:01:28 20:28:10
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Details:
When I was photographing the great aurora of January 19-20, a faint green homogeneous patch (blob) appeared to the left of the main auroral display: it suddenly brightened, just like someone switching on a spotlight. After a few seconds it faded away again.
It is possible that this was an Isolated Proton Aurora (IPA), although I had always assumed these were a fainter and more diffuse phenomenon.
Photographer's website:
https://www.flickr.com/photos/7776810@N07/
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