| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 77 -17 | 0 | B6.14 | C2.39 | 5 |
Region 12431 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 | AXX | S19W44 | |
Region 12434 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 5 | 230 10 | DAC | S10W08 | |
Region 12435 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 -10 | HSX | S15E31 | |
Region 12436 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 4 | 260 50 | EKC | N09E44 | |
Solar flares on this day | ||||
| C1.41 C1.5 B9.51 C1.19 | ||||
Region 12437 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 5 | 60 | CAO | S19E60 | |
Solar flares on this day | ||||
| C1.69 C1.55 | ||||
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/08 | M2.0 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +12.4 |