Sunspot region AR9426
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/04/12 | 6 | 30 | CSO | S09E40 | |
| 2001/04/13 | 8 | 60 | DSO | S09E25 | |
| 2001/04/14 | 6 | 60 | DSO | S10E13 | |
| 2001/04/15 | 4 | 20 | CSO | S10W02 | |
| 2001/04/16 | 2 | 10 | HSX | S09W16 | |
| 2001/04/17 | 5 | 20 | CSO | S08W27 | |
| 2001/04/18 | 4 | 10 | BXO | S08W40 |
Latest news
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
Latest forum messages
Penticton down? 701/21/2025 AR 3967 M3.3 CME 2The Terminator Theory and Implications for growth of Cycle 25 64AR 3967 32Filaments and prominences 615
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/21 | M3.3 |
| 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 |
| January 2025 | 145.2 -9.3 |
| Last 30 days | 163.2 +45.8 |