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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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Tuesday, 17 March 2026

M2.7 solar flare, CME arrival possible

Sunday, 1 February 2026

Complex sunspot region 4366

Monday, 19 January 2026

CME impact! S4 solar radiation storm

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Current Farside Activity 417 AR4392 (including CMEs) 79 Comet C/2026 A1 (MAPS) for the southern hemisphere 18 Growth of Cycle 25 985 Incoming & Unnumbered Active Regions 223

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