news
Submitted on 2021-10-13
The fairly quiet sunspot group NOAA 2882 produced an M-class flare on 9 October. The associated CME was directed to Earth and resulted in a minor geomagnetic storm on 12 October.
Submitted on 2021-10-05
A powerful X285 solar flare might have taken place in 774-775AD, explaining a curious anomaly of cosmogenic nuclides in tree rings and ice cores.
Submitted on 2021-10-05
The Quo Vadis European Space Weather initiative is making the following three announcements.
Submitted on 2021-10-01
The STCE will promote its educational and outreach activities at the 4th Symposium on Space Educational Activities in April 2022. Send in your abstract and join us there!
Submitted on 2021-09-28
Decaying sunspot region NOAA 2871 managed to produce 2 M-class flares during its transit over the solar disk.
Submitted on 2021-09-20
SILSO scientists have contributed to research extending the hemispheric sunspot number dataseries all the way back into the 19th century.
Submitted on 2021-09-13
A well-sized quiescent prominence erupted around noon on 12 September near the Sun's northeast limb.
Submitted on 2021-09-06
An increasing number of well-sized sunspot groups are dotting the Sun.
Submitted on 2021-09-01
Solar flaring activity was on the rise last week. NOAA 2860 produced most of the 19 C-class flares as well as the sole M-class event, whereas tiny sunspot group NOAA 2859 was the source of the most photogenic eruption.
Submitted on 2021-08-24
A filament that was visible for nearly a week finally erupted on 22 and 23 August.
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