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M3.9 solar flare, S1 radiation storm

M-class flaring continues today from sunspot region 2975 with an M2.9 solar flare this night and a spectacular long duration M3.9 solar flare at 13:55 UTC. While writing this news article, we see yet another M-class flare from this region peaking at M4.3 but this solar flare looks much more impulsive and might not release a CME, but it is still way too early to tell.

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Monday, 19 January 2026

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X1.9 CME 1338 AR4366 3 CH 17 14 Do the high-resolution sunspot counts point to more complex sunspots? 36 Broad-spectrum aurora pillars 44

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