
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 170 50 | 2 2 | C1.24 | C4.69 | 5 |
Region 12209 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -5 | 1090 140 | FKO | S15W81 | |
Region 12216 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 26 3 | 420 -300 | DKC | S13E01 | |
Region 12217 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 4 | 380 120 | EKC | S19E41 | |
Solar flares on this day | ||||
| C4.19 | ||||
Region 12218 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 130 10 | CSO | N15E53 | |
Region 12219 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 6 | 30 20 | DRI | N05E07 | |
Solar flares on this day | ||||
| C2.47 | ||||
Region 12220 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 10 | BXO | S17E14 | |
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 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |