
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 37 -1 | 0 -1 | B3.95 | C2.23 | 2 |
Region 12783 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 100 10 | CSO | S20W20 | |
Region 12785 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 140 20 | HSX | S20E44 | |
Solar flares on this day | ||||
| B8.6 C1.0 C1.0 C1.1 | ||||
Region 12786 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 380 260 | CKO | S14E58 | |
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | 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 | 108 +13.3 |