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Major far side eruption, S1 radiation storm

The minor S1 solar radiation storm threshold was reached this evening. This is unfortunately not the result of a front side eruption but a major far side eruption behind the west limb. The Sun's magnetic field or Parker Spiral which wraps around the solar system carries the protons from the far side all the way to the Earth and beyond.

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Sunday, 7 December 2025

M8.1 solar flare with earth-directed CME

Monday, 1 December 2025

X1.9 solar flare, Coronal hole faces Earth

Friday, 14 November 2025

X4.0 solar flare

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AR4299 M8.1 CME 2025/12/06 96 AR4294 / 4296 / 4298 396 AR 4299 117 New paper on the Gannon Storm 10-11 May 2024 2 Electron event 10

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