The STCE does Fundamental Research.
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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NOAA 4341 produced a long-duration X1.9 flare during the late afternoon of 18 January. The associated coronal mass ejection is expected to impact the Earth's magnetic field on 20 January, possibly resulting in a major geomagnetic storm. Currently, a proton event is in progress.
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