
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 27 -11 | 0 | B1.34 | C6.2 | 3 |
Region 12645 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 2 | 380 -120 | EKC | S10W79 | |
Solar flares on this day | ||||
| C3.9 C1.55 B3.31 C6.13 | ||||
Region 12648 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 20 -30 | BXO | S03E07 | |
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M1.6 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 157.7 +65.9 |
| Last 30 days | 108.9 +11.4 |