Sunspot region AR10917
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2006/10/20 | 4 | 30 | BXO | S05W04 | |
| 2006/10/21 | 5 | 30 | BXO | S05W20 | |
| 2006/10/22 | 6 | 70 | CSO | S05W33 | |
| 2006/10/23 | 8 | 200 | DAC | S05W46 | |
| 2006/10/24 | 24 | 160 | DAI | S05W60 | |
| 2006/10/25 | 13 | 140 | CAO | S05W73 | |
| 2006/10/26 | 5 | 100 | CAO | S05W86 |
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
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/22 | M1.3 |
| 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 |