| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/08/08 | 2 | 0 | BXO | N19E16 | |
| 1998/08/10 | 9 | 30 | CSO | N18W11 | |
| 1998/08/11 | 6 | 30 | BXO | N19W24 | |
| 1998/08/12 | 15 | 60 | CAO | N20W38 | |
| 1998/08/13 | 14 | 60 | CAO | N20W51 | |
| 1998/08/14 | 7 | 10 | BXO | N18W66 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.7 | 1998/08/10 | 21:37 | 21:42 | 22:06 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |