
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 78 26 | 1 | B5.43 | C2.59 | 7 |
Region 12489 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 220 -30 | HAX | N10W58 | |
Region 12490 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 20 10 | CRO | S20W42 | |
Solar flares on this day | ||||
| C1.06 B9.16 | ||||
Region 12491 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 50 -10 | DAO | N02E44 | |
Region 12492 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | DAO | N15E60 | |
Solar flares on this day | ||||
| C1.39 | ||||
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 |