Sunspot AR2781 in Hydrogen Alpha
Taken by Stuart Green on November 7, 2020 @
Preston, Lancashire, UK
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Active Region 2781 is looking pretty spectacular in the red glow of hydrogen alpha light and is still crackling with C-class flares. This image was taken from my back yard in the UK using a 150mm refractor fitted with narrowband filters operating at 656.28nm.
Photographer's website:
https://www.flickr.com/photos/solarcarbon60/
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