
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 66 2 | 1 1 | C1.27 | C5.09 | 9 |
Region 12209 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 23 -6 | 950 50 | FKO | S15W43 | |
Solar flares on this day | ||||
| C3.44 C3.52 | ||||
Region 12214 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | AXX | S12W19 | |
Region 12216 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 2 | 630 -10 | DKC | S13E41 | |
Solar flares on this day | ||||
| C3.94 | ||||
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| 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 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |