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First M-class solar flare and geomagnetic storm of 2015
Solar activity increased to moderate levels thanks to an impulsive M1.1 (R1-minor) solar flare that peaked at 09:47 UTC from sunspot region 2253. There was no coronal mass ejection associated with this event. We are also under the influence of a coronal hole high speed stream and we even reached the G1 minor geomagnetic storm threshold in the early hours of 3 January according to the NOAA SWPC. Aurora were seen from many high latitude locations. Our header image was captured last night by Jüri Voit from Estonia. Stunning!
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Space weather facts
| Last X-flare | 2024/10/31 | X2.0 |
| Last M-flare | 2024/11/05 | M2.6 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2024 | 141.4 -74.1 |
| November 2024 | 215.8 +74.4 |
| Last 30 days | 161.1 +7.2 |