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Strong G3 geomagnetic storm watch for 23 March
zaterdag 22 maart 2025 17:58 UTC
Yesterday around 16 UTC an M1.2 solar flare took place around sunspot region 4028. The solar flare triggered a filament eruption which erupted from the center of the earth-facing solar disk.
Coronal hole faces Earth
woensdag 5 maart 2025 21:47 UTC
A coronal hole is facing our planet today which is sending a high speed solar wind stream towards us which could cause enhanced geomagnetic conditions (and thus aurora!) in the days ahead.
X2.0 solar flare from sunspot region 4001
zondag 23 februari 2025 19:55 UTC
It has been 53 long days but we have finaly seen another X-class solar flare coming from the Sun today. Sunspot region 3947 produced an X1.8 solar flare on 4th of January and since that day... silence... but today departing sunspot region 4001 produced an X2.0 solar flare.
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
vrijdag 7 februari 2025 19:26 UTC
Geomagnetic conditions have been relativity quiet lately with no strong geomagnetic storms to speak of. Coronal holes are however making a return and we are seeing them more regularly appearing and influencing the weather in space around Earth and thus the aurora dancing above our heads.
Double coronal holes face Earth
woensdag 29 januari 2025 15:19 UTC
A coronal hole is facing our planet today which is sending a high speed solar wind stream towards us which could cause enhanced geomagnetic conditions (and thus aurora!) in the days ahead.
Coronal hole faces Earth
donderdag 16 januari 2025 17:53 UTC
A coronal hole is facing our planet today which is sending a high speed solar wind stream towards us which could cause enhanced geomagnetic conditions (and thus aurora!) in the days ahead.
Sunspot region 3947, X-class solar flares
zaterdag 4 januari 2025 17:46 UTC
Solar activity has been on the rise again thanks to flaring activity coming from sunspot region 3947. It has been responsible for multiple M-class events and three low-level X-class events including an X1.8 solar flare today that peaked at 12:48 UTC.
Two earth-directed coronal mass ejections
maandag 30 december 2024 19:31 UTC
Our Sun remains fairly active today but no coronal mass ejections were launched today with a clear earth-directed component. We do however want to talk about yesterday's events again as more data and opinions have emerged...
Strong G3 geoamagnetic storm watch issued
zondag 29 december 2024 23:09 UTC
It has been quite an eventful day on the Sun with 18 M-class solar flares and even an X1 solar flare. Sunspot region 3936 produced most of these events including the X-flare but also sunspot region 3938, 3939 and 3940 were contributors.
M9.0 solar flare with earth-directed CME
maandag 23 december 2024 17:53 UTC
Sunspot region 3932 produced an M9.0 (R2-moderate) solar flare today which peaked at 11:12 UTC. The solar flare was fairly impulsive but it was associated with a Type II radio emission indicating the possible launch of a coronal mass ejection something which we can confirm now thanks to SOHO/LASCO coronagraph imagery.
Laatste nieuws
M8.1 solar flare with earth-directed CME
X1.9 solar flare, Coronal hole faces Earth
X4.0 solar flare
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Ruimteweer feitjes
| Laatste X-klasse uitbarsting | 08/12/2025 | X1.1 |
| Laatste M-klasse uitbarsting | 21/12/2025 | M1.3 |
| Laatste geomagnetische storm | 22/12/2025 | Kp5 (G1) |
| Zonnevlekkenloze dagen | |
|---|---|
| Laatste zonnevlekkenloze dag | 08/06/2022 |
| Maandelijks gemiddeld zonnevlekkengetal | |
|---|---|
| november 2025 | 91.8 -22.8 |
| december 2025 | 115.2 +23.4 |
| Afgelopen 30 dagen | 109.1 +22.6 |