news
Submitted on 2026-06-29
Solar Radio Bursts may significantly affect various technologies such as radars and GNSS applications. The STCE's SC25 Tracking page has now been supplemented with graphs of strong bursts (more than 5000 sfu) at 8 different frequencies for the period 1995-2026.
Submitted on 2026-06-22
A dynamic nest of sunspot regions returned on 19 June and produced several M-class flares.
Submitted on 2026-06-18
The European Space Agency’s (ESA) Proba-3 mission is extended until August 2028. This space mission, involving a significant Belgian contribution, is studying the lower layers of the Sun’s corona.
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.
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