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Reports
Solar activity
Auroral activity
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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Last X-flare2025/12/08X1.1
Last M-flare2025/12/10M4.4
Last geomagnetic storm2025/12/04Kp5 (G1)
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Last spotless day2022/06/08
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Last 30 days108.1 +9.9

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