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Solar activity report
Geophysical report
Sunspot regions
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Kp values
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Radiation storms
Solar wind (Speed, Density), Interplanetary Magnetic Field (IMF) (Bt, Bz)
The return of sunspot regions 2172 and 2173
The past few days were very exciting with an active region approaching the limb that caused multiple M-class flares. This was the announcement of two returning regions that today have become visible on the visible solar disk.
Latest news
Wednesday, 29 January 2025
Double coronal holes face Earth
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
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AR 3976 / AR 3977 / AR 3978 78using your phone as a superaccurate magnetometer 7Filaments and prominences 663Unspecified geomagnetic activity 1924Questionable artistic depiction of total solar eclipse from 1842 5
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/02 | M3.0 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| February 2025 | 145 -9.5 |
| Last 30 days | 143.6 +3.8 |