| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/12/22 | 1 | 10 | AXX | S08E66 | |
| 2025/12/23 | 1 | 10 | AXX | S09E54 | |
| 2025/12/24 | 3 | 30 | CRO | S09E42 | |
| 2025/12/25 | 4 | 30 | DRO | S10E29 | |
| 2025/12/26 | 8 | 30 | DRO | S10E15 | |
| 2025/12/27 | 10 | 30 | DRO | S09E01 | |
| 2025/12/28 | 2 | 10 | BXO | S12W12 | |
| 2025/12/29 | 2 | 10 | BXO | S12W26 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.6 | 2025/12/25 | 04:17 | 04:24 | 04:26 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/29 | M1.0 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 116.5 +24.7 |
| Last 30 days | 116.2 +30.6 |