| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/07/28 | 1 | 40 | HSX | N27E68 | |
| 1998/07/29 | 1 | 50 | HSX | N27E55 | |
| 1998/07/30 | 2 | 50 | HSX | N28E43 | |
| 1998/07/31 | 2 | 40 | CSO | N27E30 | |
| 1998/08/01 | 1 | 30 | HSX | N27E16 | |
| 1998/08/02 | 1 | 30 | HSX | N27E04 | |
| 1998/08/03 | 1 | 40 | HSX | N24W10 | |
| 1998/08/04 | 1 | 30 | HSX | N26W22 | |
| 1998/08/05 | 1 | 40 | HSX | N26W34 | |
| 1998/08/06 | 11 | 40 | CSO | N27W44 | |
| 1998/08/07 | 8 | 80 | DSO | N27W57 | |
| 1998/08/08 | 9 | 110 | DAO | N28W68 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.43 | 1998/08/06 | 10:26 | 10:33 | 10:43 |
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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 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |