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Earth-directed coronal mass ejection

What a surprise event we got yesterday! Sunspot region 2790 which decayed over the past few days and seemingly only has a simple magnetic layout, delivered with a long duration C7.4 solar flare. As mentioned in the news article yesterday, this solar flare was eruptive and it quickly became apparent that it launched a coronal mass ejection which is likely to hit Earth.

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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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AR4366 1001 Do the high-resolution sunspot counts point to more complex sunspots? 57 Current Farside Activity 371 Incoming & Unnumbered Active Regions 154 Feb 8-9 CMEs 21

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