| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/12/01 | 9 | 150 | DAI | N22E68 | |
| 2025/12/02 | 9 | 120 | DAC | N23E53 | |
| 2025/12/03 | 15 | 140 | DAO | N23E41 | |
| 2025/12/04 | 6 | 200 | DAO | N23E28 | |
| 2025/12/05 | 3 | 190 | DSO | N21E15 |
| C | X |
|---|---|
| 4 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.9 | 2025/12/01 | 02:27 | 02:49 | 03:05 | |
| 2 | C9.0 | 2025/11/30 | 10:45 | 10:54 | 11:08 | |
| 3 | C7.3 | 2025/12/05 | 01:42 | 02:09 | 02:24 | |
| 4 | C4.1 | 2025/12/03 | 01:20 | 01:31 | 01:36 | |
| 5 | C2.8 | 2025/12/03 | 03:47 | 03:55 | 04:00 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2025 | 114.6 -15.2 |
| December 2025 | 186 +71.4 |
| Last 30 days | 106.3 +12.6 |