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 |
Latest news
Saturday, 14 September 2024
X4.5 solar flare with a fast coronal mass ejection
Thursday, 12 September 2024
G3 geomagnetic storm watch due to CME passage
Monday, 12 August 2024
Severe G4 geomagnetic storm
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Space weather facts
| Last X-flare | 2024/09/14 | X4.54 |
| Last M-flare | 2024/09/14 | M3.0 |
| Last geomagnetic storm | 2024/09/17 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| August 2024 | 215.5 +19 |
| September 2024 | 146.1 -69.4 |
| Last 30 days | 152.7 -59.2 |