News from the North

A compact eruption near the northern polar coronal hole took place on 13 April. It was associated with a fast and narrow coronal mass ejection.


Your favorite antidote against the corona boredom has arrived! Counting sunspots had already been turned into a citizen science project "Val-u-Sun" last year, but is now also available in Nederlands and en Français!

B-class flaring in NOAA 2759

NOAA 2759 was a small sunspot group from the new solar cycle 25. Using the JHelioviewer software, some movies were created showing the 5 B-class flares that it has produced during its transit so far.

Corona infected astronomy!

Staying with the buzzword of our times, the word "corona" is being used very often in astronomy too. An overview.

The best of... 2019!

A  compilation  of  the  most  memorable  space  weather  moments  of  2019, featuring data, links and movies.

Heading for the solar cycle minimum

Based on the location and number of high-latitude sunspot groups, as well as the current level of sunspot numbers, a solar cycle minimum between September 2019 and February 2020 seems very likely.

"B" as in "Baby"

The now spotless active region NOAA 2758 produced a B-class flare on 11 March. The region belongs to the new solar cycle 25.

Jurassic Park... for SWx Newsitems

Due to server restructuring at the SIDC, the old space weather newsitems have been moved to the STCE website thus preserving them from a certain extinction.

Topical Issue "Space Weather Instrumentation" for JSWSC

The Journal of Space Weather and Space Climate (JSWSC) has opened a new Topical Issue on "Space Weather Instrumentation" to appear in 2020/2021.

The STCE in 2018

The STCE Annual Report is now available, covering again a wide variety of research topics as well as typical examples of life at the STCE.



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