
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 88 12 | 1 1 | B4 | M1.2 | 4 | 1 |
Region 12542 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 5 | 160 | DAC | N10W50 | |
Solar flares on this day | ||||
| B9.83 | ||||
Region 12543 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -2 | 40 -40 | DAO | S05W54 | |
Solar flares on this day | ||||
| B7.39 B5.36 B4.48 B8.71 C3.55 B9 M1.07 C6.79 C1.1 | ||||
Region 12544 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 3 | 20 | CRO | N21E11 | |
Solar flares on this day | ||||
| C1.19 | ||||
Region 12545 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 3 | 70 -20 | CAO | S21W35 | |
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 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |