Sunspot region AR10340
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/04/22 | 2 | 10 | AXX | S04E55 | |
| 2003/04/23 | 2 | 10 | HRX | S06E43 | |
| 2003/04/24 | 2 | 10 | HSX | S06E30 | |
| 2003/04/25 | 2 | 10 | AXX | S07E13 | |
| 2003/04/30 | 17 | 130 | DAO | S09W50 |
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
Latest forum messages
Do the high-resolution sunspot counts point to more complex sunspots? 20Filaments and prominences 454AR 4355 6Why are northern lights at similar K values visible much further south in North America as opposed to Europe? 8X1.9 CME 1337
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.6 -4.4 |
| Last 30 days | 122.3 +11.2 |