
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 85 -9 | 1 | B5.57 | C5.98 | 7 |
Region 11260 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 180 -80 | HSX | N19W92 | |
Region 11261 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 -7 | 270 -110 | DSI | N14W64 | |
Region 11263 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 3 | 570 -150 | EKC | N16W31 | |
Solar flares on this day | ||||
| C1.39 C2.03 C1.99 | ||||
Region 11266 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 2 | 10 -10 | BXO | N17E27 | |
Region 11267 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 10 | BXO | S17E26 | |
Solar flares on this day | ||||
| C5.98 C1.94 C1.39 | ||||
All times in UTC
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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 | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.4 +13.7 |