Sunspot region AR10217
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/12/09 | 2 | 20 | AXX | N12E56 | |
| 2002/12/10 | 4 | 20 | HSX | N12E43 | |
| 2002/12/11 | 1 | 10 | AXX | N12E29 | |
| 2002/12/12 | 3 | 10 | BXO | N12E17 | |
| 2002/12/13 | 2 | 0 | AXX | N14E04 |
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
Feb 8-9 CMEs 28Current Farside Activity 374Yes, we really went to the moon before. 4Do the high-resolution sunspot counts point to more complex sunspots? 63AR4366 1027
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/12 | M1.4 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 125.3 +12.7 |
| Last 30 days | 130.4 +32.7 |