Sunspot region AR10221
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/12/10 | 2 | 20 | HSX | N22E61 | |
| 2002/12/11 | 1 | 20 | HSX | N23E48 | |
| 2002/12/12 | 4 | 20 | CSO | N23E35 | |
| 2002/12/13 | 2 | 10 | BXO | N23E22 | |
| 2002/12/14 | 2 | 10 | AXX | N20E12 | |
| 2002/12/15 | 4 | 20 | CRO | N20W01 |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
AR4299 M8.1 CME 2025/12/06 314Light pillar 12Current Farside Activity 237Growth of Cycle 25 976Ask a powergrid operator anything 45
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M1.9 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 157.7 +65.9 |
| Last 30 days | 108.9 +11.4 |