| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 103 -59 | 0 | C1.69 | C9.4 | 12 |
Region 13901 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 60 | HSX | S09W99 | |
Region 13902 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 -30 | HSX | S16W57 | |
Region 13905 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -7 | 300 -100 | EKI | S09W44 | |
Solar flares on this day | ||||
| C3.5 | ||||
Region 13906 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 -20 | 450 -50 | EKO | S16W35 | |
Solar flares on this day | ||||
| C4.1 C2.6 C4.3 C9.2 C3.0 C3.7 | ||||
Region 13910 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -3 | 230 -20 | CSO | N16E14 | |
Region 13911 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 -30 | CSO | S14W89 | |
Solar flares on this day | ||||
| C3.5 | ||||
Region 13912 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 9 | 190 70 | ESO | S04E36 | |
Solar flares on this day | ||||
| C5.6 C2.1 | ||||
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +12.4 |