news
Submitted on 2026-06-15
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 2026-06-09
After an anomaly onboard Proba-3's Coronagraph spacecraft led to loss of contact between the spacecraft and ground control last February, a tiger team worked relentlessly to get the spacecraft and its ASPIICS coronagraph back. After about 2 months of careful and gradual testing, a first formation flight was successfully performed last week. This was the moment of truth for the ASPIICS coronagraph.
Submitted on 2026-06-03
NOAA 4455 produced 2 strong M-class flares and one X1 flare in less than 12 hours. The related coronal mass ejections are expected to hit the near-earth environment from late on 4 June through 5 June. There's a small chance for auroras over Belgium. UPDATED (1).
Submitted on 2026-06-02
The great geomagnetic storm of 4 February 1872 is renowned for its splendid aurora and crippling the telegraphic services worldwide, even at near-equatorial locations.
Submitted on 2026-05-26
A large sunspot group which was flare active on the Sun's far side, had quieted down significantly when facing the Earth a week later.
Submitted on 2026-05-19
Despite bad seeing conditions, the H-alpha solar telescope of the ROB/USET was able to observe the X-class flare of 24 April.
Submitted on 2026-05-12
Multi-vantage point observations, using combined imagery from multiple spacecraft and ground stations, shed light on some puzzling aspects of the evolution and flare activity of NOAA 4436.
Submitted on 2026-05-06
Currently, there are more than 30.000 tracked objects moving in a Low Earth Orbit. More than half are space debris and may pose a threat to the operational satellites and payloads.
Submitted on 2026-04-24
SIDC Sunspot Group 825 (NOAA Active Region 4419) was the source of 2 X-class flares produced on 24 April. The analysis of the associated CMEs is ongoing.
Submitted on 2026-04-22
GONG, the Global Oscillation Network Group, is celebrating its 30 years of providing high-quality helioseismic and magnetic data for the benefit of solar physics and space weather research.
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