A prominence rotating over the northeast solar limb reached an apparent height of well over 100.000 km on 4 August.


A 370.000 km long filament erupted near the Sun's central meridian shortly after noon on 15 July.


Late on 8 July, an eruption took place in sunspot region NOAA 3053. Using SWHV, an animated mosaic was created showing the flaring event in various wavelengths thus highlighting different features of this long-duration eruption.


Sunspot numbers have been waxing and waning over the last few months following closely the 27-days solar rotation period. The higher sunspot numbers coincide with a long-lasting, more active portion on the solar disk.


On 20 June, 2022 Dana-Camelia Talpeanu successfully defended her PhD thesis ‘Numerical and Observational Study of Stealth and Consecutive Coronal Mass Ejections’.


Fundamental Research

The STCE does Fundamental Research.

Public Outreach

Open DoorsThe STCE does public outreach during the STCE Annual Meeting and the Open Doors of the Space Pole in Uccle.

One of the highlights of the Open Doors is always a visit to the Solar Dome. A small introductory presentation is first given in the corridor of the SIDC. Skilled observers and space weather forecasters explain in laymen terminology what sunspots are, how they are observed, why these observations are so important, and how solar eruptions affect us and our technology. Then, the small groups of 10-15 people are guided stairs towards the top of the solar dome. There, the various solar telescopes are shown and their specific applications are discussed. Weather permitting, the visitors can also make solar observations using a projected solar image from the white light solar telescope. During and after the visit, there is plenty of opportunity to ask questions to the guides.


Travel Info





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