Sunspot region AR11023
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2009/06/23 | 3 | 40 | CSO | S22E29 | |
| 2009/06/24 | 2 | 30 | CSO | S25E15 | |
| 2009/06/25 | 4 | 40 | CSO | S23E01 |
Latest news
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
Wednesday, 29 January 2025
Double coronal holes face Earth
Thursday, 16 January 2025
Coronal hole faces Earth
Latest forum messages
Incoming & Unnumbered Active Regions 1554AR 4000 32Unexplained proton activity 49Growth of Cycle 25 803Filaments and prominences 670
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/21 | M1.4 |
| Last geomagnetic storm | 2025/02/19 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2025 | 137 -17.5 |
| February 2025 | 151.4 +14.4 |
| Last 30 days | 149 -14 |