news
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?
Submitted on 2025-08-25
STCE researchers used a sophisticated wavelet-based algorithm to automatically detect and characterize thousands of transient EUV brightenings, often called campfires, in the HRIEUV data obtained at the closest-perihelion of Solar Orbiter.
Submitted on 2025-08-21
The early-bird registration is closing soon: deadline September 5.
If you have not yet submitted an abstract, you can still apply for a poster: deadline September 5.
Submitted on 2025-08-18
NOAA 4168 (SIDC sunspot group 588) was one of the larger and more flare-active regions during the last few weeks. It produced no less than 17 M-class ("medium") flares, with a few quite spectacular.
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