
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 102 28 | 0 -2 | C1.2 | C9.19 | 8 |
Region 8391 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -5 | 100 40 | HSX | S14W25 | |
Region 8392 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 30 -10 | CSO | S25E34 | |
Solar flares on this day | ||||
| C1.69 | ||||
Region 8393 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 10 | 320 180 | FSI | S19E68 | |
Solar flares on this day | ||||
| C3.56 | ||||
Region 8394 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 30 | CSO | S16W50 | |
Region 8395 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HSX | N17E77 | |
Solar flares on this day | ||||
| C3.01 C4 | ||||
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 | 162.7 +70.9 |
| Last 30 days | 107.4 +11.4 |