news
Submitted on 2025-10-21
On 20 October, ICAO -the International Civil Aviation Organization- organised a Space Weather User Workshop on the provision and use of space weather information for international civil air navigation. The STCE contributed significantly.
Submitted on 2025-10-20
NOAA 4246 (SIDC 639) started to develop on 10 October and produced over two dozen medium-class solar flares in just 9 days.
Submitted on 2025-10-13
The STCE's SC25 Tracking page has been updated to reflect the latest evolution of some critical space weather parameters for the ongoing solar cycle 25 (SC25).
Submitted on 2025-10-06
The combined high-speed solar wind stream from 2 coronal holes affected the earth environment from 30 September onwards.
Submitted on 2025-10-03
September 2025. The space instrument EUI onboard the spacecraft Solar Orbiter, took its millionth solar picture. Congratulations!
Submitted on 2025-09-23
On the confusing appearance of sunspot region NOAA 4216 (SIDC 621).
Submitted on 2025-09-16
The wind stream associated with a big coronal hole may trigger an increase in the number of highly energetic electrons in the satellite environment, thus posing a threat to satellite operations.
Submitted on 2025-09-10
A few words and context on (very) long duration geomagnetic storms.
Submitted on 2025-09-02
Never a dull moment with the Sun: impressive prominence eruptions and powerful solar flares took turns to give an impressive show of solar activity.
Submitted on 2025-09-02
CoSEE-Cat is not an animal lounging on your couch but what is it then?
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