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Coronal mass ejection arrival

The X8.2 coronal mass ejection has arrived. A weak impact was observed at 19:29 UTC with a minor increase in the solar speed, density and the total strength of the interplanetary field (Bt). This is without a doubt the glancing blow arrival of the X8.2 coronal mass ejection as the low energy protons measured by ACE/EPAM peaked at the moment of impact, a classic sign of a CME arrival.

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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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Unspecified geomagnetic activity 69 AR4374 21 Current Farside Activity 398 Incoming & Unnumbered Active Regions 170 Solar Transit, Artifacts, or Radiation 85

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