This is a follow-up question to How are the solar flares from May 23, 2021 extraordinary? which is about news of spaceweather.org. In the present question, I am curious solely about sun-spots and why some of them seem to have names like AR2824, and how they are tracked.

So what exactly is that name? Can I find a history about each sun-spot? How are sunspots tracked?


  • 1
    $\begingroup$ Sunspots do have designations, like you said, AR2824. I don't think they have names because they only last so long. $\endgroup$
    – WarpPrime
    Commented May 25, 2021 at 16:37
  • $\begingroup$ According to an answer to my previous question, the designations actually refer to active regions which are not sunspots. I would like to learn more about those regions, too. $\endgroup$
    – B--rian
    Commented May 25, 2021 at 17:03


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