Humain Radio Telescopes
High-latitude sunspot group

From 16 till 18 July, a sunspot was visible at the very high southern latitude of -43 degrees. Over the last 20 years, this was only the 2nd group to reach such high latitude.

On farside activity and proton fluxes

Some spectacular halo CMEs having their origin on the Sun's farside were associated with measurable increases in proton flux levels as recorded by near-earth satellites in the L1-point.

SWx acronyms

The STCE has created a new and dynamical webpage containing a list of currently nearly 1500 space weather acronyms.

First X-class flare of SC25

NOAA 2838 was the source of the first X-class flare of SC25. The X1.5 flare peaked at 14:29UT on 3 July.


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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