Sunspot region AR10523
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/12/17 | 2 | 60 | HSX | S15E72 | |
| 2003/12/18 | 2 | 20 | AXX | S15E58 | |
| 2003/12/19 | 2 | 40 | HAX | S13E45 | |
| 2003/12/20 | 4 | 40 | CSO | S17E34 | |
| 2003/12/21 | 2 | 20 | CSO | S17E23 | |
| 2003/12/22 | 2 | 0 | AXX | S17E09 | |
| 2003/12/23 | 12 | 20 | BXO | S18W01 | |
| 2003/12/24 | 5 | 10 | BXO | S19W13 | |
| 2003/12/25 | 1 | 10 | AXX | S19W26 |
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 |