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C-class solar flare, Earth-directed CME
Sunspot region 2699 has been transiting the earth-facing solar disk the past few days but was relatively quiet. However, today just past midnight, this sunspot region started to erupt with a long duration C-class solar flare. The solar flare started at 00:15 UTC and peaked at 01:35 UTC with a maximum measured X-ray flux of C1.5. Not a mighty impressive value but the long duration gave away that this event might have been eruptive...
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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 |