
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 47 -6 | 0 -1 | B1.6 | B5.44 |
Region 12898 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -2 | 90 | CSO | S24W34 | |
Region 12900 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -4 | 240 80 | DAO | S26W50 | |
Solar flares on this day | ||||
| B5.5 B3.8 | ||||
Region 12901 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 10 | HSX | N16E50 | |
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 | 2025/12/11 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 152.4 +60.6 |
| Last 30 days | 108.3 +9.8 |