| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2005/08/04 | 2 | 10 | CSO | S07E05 | |
| 2005/08/08 | 5 | 60 | BXO | S09W50 | |
| 2005/08/09 | 5 | 80 | DSO | S08W64 | |
| 2005/08/10 | 3 | 70 | DAO | S08W78 |
| B |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B2.57 | 2005/08/09 | 11:43 | 11:48 | 11:51 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/18 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 83.6 -2.3 |
| Last 30 days | 92.3 +30.4 |