
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 66 -10 | 1 | B6.57 | M3.21 | 11 | 1 |
Region 11618 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -5 | 170 -100 | EAO | N09W81 | |
Region 11620 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 -1 | 260 20 | EKC | S12W43 | |
Solar flares on this day | ||||
| C1.13 C1.15 C1.7 C1.67 C6.92 C4.33 M3.22 C1.62 | ||||
Region 11621 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 130 20 | CAO | N16E37 | |
Region 11623 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 170 | DSO | N11E74 | |
Solar flares on this day | ||||
| C4.55 C1.22 | ||||
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 +12.4 |