| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/12/12 | 4 | 20 | BXO | N08E59 | |
| 2025/12/13 | 6 | 20 | CRO | N07E45 | |
| 2025/12/14 | 4 | 20 | CRO | N06E30 | |
| 2025/12/15 | 7 | 30 | CSO | N09E17 | |
| 2025/12/16 | 4 | 20 | CRO | N07E02 | |
| 2025/12/17 | 2 | 10 | AXX | N08W13 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.5 | 2025/12/13 | 07:41 | 07:48 | 07:53 | |
| 2 | C1.3 | 2025/12/15 | 11:52 | 12:05 | 12:15 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 131.8 +40 |
| Last 30 days | 109.8 +17.3 |