
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 90 19 | 1 | B3.14 | C3.93 | 5 |
Region 8185 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 | 480 90 | FHI | S25W51 | |
Solar flares on this day | ||||
| C2 | ||||
Region 8189 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 0 -20 | AXX | S27W73 | |
Region 8190 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 4 | 100 | ESI | S22E36 | |
Solar flares on this day | ||||
| C3.93 C2.74 C1.4 C1.66 | ||||
Region 8191 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 30 | CSO | S20E52 | |
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 144.3 +52.5 |
| Last 30 days | 107.5 +8.8 |