AR 4366: A Solar Flare Factory
Taken by Eduardo Schaberger Poupeau on February 2, 2026 @
Rafaela, Provincia de Santa Fe, Argentina
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Today at noon, from Argentina (UT −3), I captured this image of the Sun using my H-alpha telescope, at a moment of intense solar activity. The main feature is sunspot AR 4366, a true solar flare factory, which over the past 24 hours has produced 23 M-class flares and 4 X-class flares, including a powerful X8 event recorded yesterday.
The photograph shows the full solar disk, allowing the enormous size of AR 4366 to be seen in its global context. At the time of capture, the region was particularly active, while multiple striking prominences are visible around the solar limb and several filaments can be seen across the disk, highlighting the strong magnetic instability currently affecting our star.
Photographer's website:
https://www.eduardoschaberger.ar
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