
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 40 -1 | 0 | B3.09 | C1.76 | 2 |
Region 12785 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 160 80 | HSX | S23W74 | |
Region 12786 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -3 | 410 40 | HKX | S18W54 | |
Solar flares on this day | ||||
| C1.7 B9.0 B5.3 B6.5 | ||||
Region 12790 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 110 30 | HSX | S24E37 | |
Solar flares on this day | ||||
| C1.2 B6.8 C1.4 | ||||
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 131.8 +40 |
| Last 30 days | 108.3 +14.5 |