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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.
Submitted on 2025-07-22
Two very nice prominence eruptions were observed on 14 and 15 July. The associated CMEs were not earth-directed.
Submitted on 2025-07-15
Twenty-five years ago, one of the most powerful solar storms of SC23 rocked geospace and affected a whole series of technologies.
Submitted on 2025-07-08
Some impressive prominences erupted last week. None of the associated CMEs is directed to Earth.
Submitted on 2025-07-02
Superactive regions represent less than 0.5% of all active regions during a solar cycle, yet they are the source of 30-45% of all X-class flares.
Submitted on 2025-06-30
The world top experts on coronagraphy met at the Royal Observatory of Belgium for the 11th Science Working Team meeting of the ESA Proba-3 mission. Andrei Zhukov and his team which works on the main instrument ASPIICS, were the hosts.
Submitted on 2025-06-26
New findings from the Solar Orbiter spacecraft reveal that even the tiniest bursts of activity from the Sun may behave like their larger counterparts.
Submitted on 2025-06-23
The STCE's SC25 Tracking page has been updated. The latest SIDC/SILSO provisional data indicate that SC25 reached a maximum smoothed monthly sunspot number of 160.8 in October 2024.
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