| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/02/28 | 3 | 10 | BXO | S19W44 | |
| 1998/03/01 | 4 | 20 | BXO | S21W60 | |
| 1998/03/02 | 5 | 70 | CSO | S20W72 | |
| 1998/03/03 | 5 | 60 | CSO | S21W86 |
| C |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.61 | 1998/03/01 | 13:02 | 13:08 | 13:13 | |
| 2 | C1.43 | 1998/03/01 | 11:04 | 11:09 | 11:14 | |
| 3 | C1.02 | 1998/03/01 | 02:04 | 02:10 | 02:17 |
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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 | 108.1 +9.1 |