
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 73 -9 | 1 | C1.3 | C4.71 | 8 |
Region 12303 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 50 | DAO | N18W78 | |
Solar flares on this day | ||||
| C4.28 C3.37 C3.87 C2.54 C4.68 | ||||
Region 12305 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 5 | 410 | EKI | S08W19 | |
Solar flares on this day | ||||
| C2.32 | ||||
Region 12309 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 2 | 80 20 | DAO | N15W87 | |
Region 12313 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HAX | N17E11 | |
Region 12315 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | CAO | S19W16 | |
Solar flares on this day | ||||
| C2.18 | ||||
All times in UTC
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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 | 128 +36.2 |
| Last 30 days | 108.4 +15.8 |