Sunspot region AR10347
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/04/27 | 4 | 40 | BXO | S20E36 | |
| 2003/04/28 | 3 | 20 | DRO | S20E22 | |
| 2003/04/29 | 3 | 10 | BXO | S20E09 | |
| 2003/04/30 | 9 | 10 | BXO | S18W02 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4381 1Incoming & Unnumbered Active Regions 219Did ChatGPT Find a New Solar Physics Formula? 31AR4378 8Filaments and prominences 495
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| Last 30 days | 72.7 -45.8 |