Active Region 12866
Taken by Stuart Green on September 8, 2021 @
Preston, Lancashire, UK
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Camera Used: Unavailable Unavailable
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Details:
Beautiful and complex, AR12866 makes for a superb target for backyard solar telescopes. This one was imaged with a 250mm RC telescope fitted with special filters to see the red glow of hydrogen at 656.28nm.
Photographer's website:
No URL provided.
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