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G2 storm, Sunspots, Website addition
The coronal hole solar wind stream packed a punch last Monday as we predicted and caused two 3-hour periods where we reached the moderate G2 geomagnetic storm threshold. The northern lights put on a grand display and were seen from latitudes as low as the Netherlands, Germany and Poland in Europe and the southern lights were seen from Victoria, Australia! Below we have a small selection of images made during the past few days. The header image used in this article was made by Carita Holmberg from Grisslehamn, Sweden.
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CME arrival, G3 storm watch
X1.1 solar flare
Coronal hole faces Earth
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/15 | M1.2 |
| Last geomagnetic storm | 2025/04/16 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 120.5 -13.7 |
| Last 30 days | 116.6 -25.7 |