news
Submitted on 2025-12-09
Researchers share their most recent knowledge about spaceweather with thousands of Flemish primary school kids during the Wetenschapsbattle (Battle of Scientists).
On February 6th 2026, two scientists from the Royal Observatory of Belgium will compete for the trophy of most eloquent scientist. Cis Verbeeck and Andreas Debrabandere were selected by the pupils of primary school De Mozaïek in Kessel-Lo.
Submitted on 2025-12-08
NOAA 4299 produced an M8 flare late on 6 December. The associated coronal mass ejection (CME) is earth-directed and may cause a strong geomagnetic storm on 8-9 December. The X-class flare of 8 December had NOAA 4298 as its source.
Submitted on 2025-12-08
A new data product reflects the progress that the LYRA team has made to discern the different instrumental degradation of quiet-Sun, active-region, and flare signals, and how to correct the data accordingly. The LYRA team wants to present this 15-year daily dataset to the solar community, in order to enable a comparison with various solar indicators, and to study the solar cycle.
Submitted on 2025-12-05
Exactly 1 year ago, December 5, the duo satellite Proba-3 left Earth to head to space. The telescope ASPIICS, whose task is to make perfect total solar eclipses from space, was onboard. Now, 1 year later, ASPIICS has already delivered a wealth of amazing pictures of the solar atmosphere close to its surface, a treasure box for solar scientists.
Submitted on 2025-12-03
SOHO was launched on 2 December 1995. Three decades later, it is still providing valuable space weather data.
Submitted on 2025-12-01
A giant sunspot region has rounded the southeast solar limb and has been the source of several M-class flares. The X-class event early on 1 December was produced by a smaller region near the northeast limb. Further strong flares are expected in the coming days.
Submitted on 2025-11-26
The E-SWAN booklets address the real-world impact of solar and geomagnetic activity, focusing on how such phenomena can influence everyday activities and industries, tailored to engage a general audience.
Submitted on 2025-11-25
A fleet of solar satellites have imaged and measured the largest solar flare so far this year.
Submitted on 2025-11-20
NOAA 4274 has now rounded the Sun's west limb. During the previous 2 weeks, eruptions from this active region significantly affected space weather conditions. This newsitem provides an overview of the events associated with the 5 X-class flares.
Submitted on 2025-11-14
After 2 days of relative quiet, NOAA 4274 produced its fifth (!) X-class flare on 14 November. The associated CME is expected to deliver a glancing blow early on 16 November, resulting in -at most- a minor geomagnetic storm. As a result, no aurora are expected to be visible over Belgium. ***UPDATED***
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