
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 54 -10 | 0 | B5.57 | C9.86 | 5 |
Region 12472 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -1 | 20 -10 | CRO | N04W16 | |
Solar flares on this day | ||||
| C1.94 | ||||
Region 12473 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 36 -2 | 510 -20 | FHC | S22W19 | |
Solar flares on this day | ||||
| C9.83 C1.13 C2.18 C3.61 | ||||
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.1 |
| 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 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |