
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 64 -9 | 0 -1 | B6.57 | C4.76 | 11 |
Region 12146 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 190 | CSO | N08W0* | |
Region 12149 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 5 | 240 60 | DSI | N09W36 | |
Solar flares on this day | ||||
| C4.31 C2.84 C4.73 C1.88 C2.86 | ||||
Region 12150 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 80 | HSX | S13W20 | |
Region 12151 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 120 | HSX | S07W07 | |
Region 12152 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 20 -10 | CRO | S18E41 | |
Solar flares on this day | ||||
| C1.2 C2.48 C1.4 C1.38 C4.05 | ||||
Region 12153 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | AXX | S11E18 | |
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 |