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CME passage, G1 geomagnetic storm

The minor G1 geomagnetic storm was reached earlier today at 02:20 UTC. This is caused by a coronal mass ejection passage that brings a persistent southward pointing magnetic field with it. This coronal mass ejection that we are seeing at Earth right now is likely the coronal mass ejection that we posted about on 8 May.

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Complex sunspot region 4366

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CME impact! S4 solar radiation storm

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X1.9 solar flare with earth-directed CME

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AR4378 10 AR4381 4 CME March 1 10 Incoming & Unnumbered Active Regions 220 AR4379/4380 18

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