| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/12/20 | 2 | 50 | DAO | N13E73 | |
| 2025/12/21 | 15 | 120 | CAO | N12E60 | |
| 2025/12/22 | 10 | 240 | EAI | N11E49 | |
| 2025/12/23 | 15 | 260 | EKI | N10E36 | |
| 2025/12/24 | 12 | 220 | EAI | N11E20 | |
| 2025/12/25 | 12 | 240 | EAI | N12E07 | |
| 2025/12/26 | 9 | 230 | EAI | N11W06 |
| C |
|---|
| 15 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.6 | 2025/12/22 | 22:21 | 22:31 | 22:56 | |
| 2 | C4.9 | 2025/12/24 | 10:07 | 10:21 | 11:13 | |
| 3 | C2.8 | 2025/12/20 | 19:48 | 19:55 | 19:58 | |
| 4 | C2.7 | 2025/12/24 | 23:04 | 23:13 | 23:20 | |
| 5 | C2.7 | 2025/12/26 | 19:15 | 19:23 | 19:32 | |
| 6 | C2.2 | 2025/12/26 | 08:10 | 08:15 | 08:40 | |
| 7 | C1.9 | 2025/12/22 | 08:39 | 08:46 | 08:52 | |
| 8 | C1.8 | 2025/12/21 | 02:14 | 02:24 | 02:32 | |
| 9 | C1.6 | 2025/12/23 | 01:37 | 01:50 | 02:02 | |
| 10 | C1.5 | 2025/12/22 | 01:04 | 01:15 | 01:20 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| 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 | 114.3 +22.5 |
| Last 30 days | 110.4 +23.9 |