Sunspot region AR11291
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/09/11 | 2 | 10 | DRO | N23W03 | |
| 2011/09/12 | 2 | 10 | BXO | N23W15 | |
| 2011/09/16 | 3 | 50 | CRO | N22W69 | |
| 2011/09/17 | 3 | 90 | DAO | N24W82 | |
| 2011/09/18 | 2 | 10 | BXO | N21W93 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11291
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.15 | 2011/09/10 | 17:16 | 17:19 | 17:21 |
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Space weather facts
| Last X-flare | 2024/05/15 | X2.9 |
| Last M-flare | 2024/05/17 | M7.1 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 157.2 +20.7 |
| Last 30 days | 174.3 +64.2 |