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X4.5 solar flare with a fast coronal mass ejection

Sunspot region 3825 which is close to the east limb and slowly rotating into an earth-facing position has produced a long-duration X4.5 class solar flare (R3-strong) today that peaked at 15:29 UTC. This is the fifth largest solar flare of the current Solar Cycle.

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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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AR4392 (including CMEs) 75 Growth of Cycle 25 985 Incoming & Unnumbered Active Regions 223 Current Farside Activity 416 CH 31 HSS 10

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