| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 94 13 | 0 -1 | B5.86 | C5.66 | 9 |
Region 12431 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 10 -10 | CAO | S19W30 | |
Region 12434 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -9 | 220 -40 | DAI | S10E06 | |
Solar flares on this day | ||||
| C2.02 C2.73 C2.55 | ||||
Region 12435 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HAX | S15E45 | |
Region 12436 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 10 | 210 130 | EAI | N09E58 | |
Solar flares on this day | ||||
| C1.75 C5.64 C1.91 | ||||
Region 12437 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 | HAX | S19E74 | |
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 +13.7 |