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Coronal hole faces Earth
NOAA's G1 watch never really got off the ground yesterday but another minor G1 geomagnetic storm watch has been issued for Friday, 20 May as another much larger part of the same coronal hole face Earth.
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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 |