
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 66 -2 | 0 -3 | B2.26 | B7.92 |
Region 12863 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 40 -50 | CSO | S16W11 | |
Region 12864 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 1 | 90 40 | DAO | N24W03 | |
Region 12866 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 6 | 80 40 | DAI | S18E50 | |
Solar flares on this day | ||||
| B5.1 B5.2 | ||||
Region 12867 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S18W86 | |
Region 12868 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 60 | DSO | S20E34 | |
Solar flares on this day | ||||
| B5.3 | ||||
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M1.9 |
| 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 | 157.7 +65.9 |
| Last 30 days | 108.9 +11.4 |