November 12, 2025, very early in the morning. Colleagues from the STCE, the Belgian Space Weather Centre, admire the northern lights from their terrace in Brussels and are amazed by the spectacle of colors.

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A severe geomagnetic storm took place early on 12 November. Aurora were sighted over Belgium. The fast CME related to the X5 flare from 11 November arrived around 19:00 UTC on 12 November. Its magetic field was much weaker than that of the previous CME, resulting in only a strong geomagnetic storm which is still ongoing. Aurora over Belgium are no longer expected. ***UPDATED***

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NOAA 4274 produced its 4th and -so far- strongest X-class event on 11 November. A series of CMEs may cause strong to severe geomagnetic conditions over the next 2 days. There's a small chance for aurora over Belgium.

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Het STCE, Belgisch Ruimteweercentrum bestaat 20 jaar in 2026! Dat vieren we met een wetenschapsbattle over het weer in de ruimte die je live kan volgen vanuit je klas!  

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Active region NOAA 4274 (SIDC Sunspot Group 687), the return of the flare-productive NOAA 4246, has just produced its third X-class flare. ***UPDATED (3)***

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Fundamental Research

The STCE does Fundamental Research.

Public Outreach

Open DoorsThe STCE does public outreach during the STCE Annual Meeting and the Open Doors of the Space Pole in Uccle.

One of the highlights of the Open Doors is always a visit to the Solar Dome. A small introductory presentation is first given in the corridor of the SIDC. Skilled observers and space weather forecasters explain in laymen terminology what sunspots are, how they are observed, why these observations are so important, and how solar eruptions affect us and our technology. Then, the small groups of 10-15 people are guided stairs towards the top of the solar dome. There, the various solar telescopes are shown and their specific applications are discussed. Weather permitting, the visitors can also make solar observations using a projected solar image from the white light solar telescope. During and after the visit, there is plenty of opportunity to ask questions to the guides.

 

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