| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/07/31 | 1 | 10 | HRX | S26E62 | |
| 1998/08/01 | 1 | 0 | AXX | S27E48 | |
| 1998/08/02 | 1 | 20 | HAX | S27E35 | |
| 1998/08/03 | 2 | 10 | AXX | S28E22 | |
| 1998/08/04 | 1 | 0 | AXX | S28E11 | |
| 1998/08/07 | 2 | 0 | AXX | S28W25 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.18 | 1998/08/01 | 06:18 | 06:30 | 06:51 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.1 |
| 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 | 162.7 +70.9 |
| Last 30 days | 107.4 +11.4 |