
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 40 3 | 0 | B4.16 | C3.4 | 1 |
Region 12783 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 80 -20 | CSO | S21W34 | |
Region 12785 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 -40 | HSX | S21E31 | |
Solar flares on this day | ||||
| B7.4 | ||||
Region 12786 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 4 | 1000 620 | CKO | S17E51 | |
Solar flares on this day | ||||
| B6.5 B5.6 C3.4 B7.1 B5.6 B8.9 B7.2 B7.8 | ||||
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 |