AR4549
Taken by David Wilson on October 7, 2026 @
Inverness, Scotland
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Details:
This is AR4549 looking a lot more lively than the version I posted 6th October. I also posted it on the 5th October (but under 4548 by mistake) when it was really quiet. I also run the main sunspot at lower left thru my sunspot analyser app and found it to be umbral flashing every 183secs on average (see second video).
Main video playback is 900x real time.
Photographer's website:
https://starrydave.boards.net
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