The STCE does Fundamental Research.
On 19 January 2026, one of the strongest solar radiation storms of the last few decades took place. However, though the storm contained a large number of low-energy protons, the number of high-energy protons remained mostly at background levels. A few aspects of this event are discussed, and a crude reference is provided.
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The magnetic cloud ("CME") associated with the strong flare late on 1 February produced by sunspot group 4366, arrived yesterday 4 February. It resulted in a -still ongoing- minor geomagnetic storm. For Belgium, this means no aurora are visible. Meanwhile, NOAA 4366 produced another strong X-class flare on 4 February. (***UPDATED 6***)
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A concise analysis of the spectacular aurora that were observed during the 19-20 January geomagnetic storm.
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Proba-3/ASPIICS captured three prominence eruptions in five hours during an active period on 21 September 2025.
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The magnetic cloud (CME) associated with yesterday's X1 flare has already arrived. A severe geomagnetic storm is in progress. Spectacular aurora have been observed over Belgium.
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