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Eruptive C9 solar flare, earth-directed CME

A filament eruption (see video) near earth-facing sunspot region 2345 was associated with yesterday's strongest solar flare: C9.2 at 18:18 UTC. A Type II radio sweep was associated with this event and a faint asymmetrical full halo coronal mass ejection was launched towards Earth and could impact Earth this weekend.

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Sunday, 1 February 2026

Complex sunspot region 4366

Monday, 19 January 2026

CME impact! S4 solar radiation storm

Sunday, 18 January 2026

X1.9 solar flare with earth-directed CME

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Do the high-resolution sunspot counts point to more complex sunspots? 68 Feb 8-9 CMEs 31 Richard Carrington 1 Yes, we really went to the moon before. 7 AR4366 1029

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