Sunspot region AR11377
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/12/15 | 4 | 60 | DRO | N12E43 | |
| 2011/12/16 | 8 | 70 | DSO | N11E29 | |
| 2011/12/17 | 9 | 70 | DSO | N12E15 | |
| 2011/12/18 | 9 | 50 | DSO | N12E03 | |
| 2011/12/19 | 4 | 40 | DAO | N12W11 | |
| 2011/12/20 | 3 | 20 | CRO | N13W24 | |
| 2011/12/21 | 3 | 10 | BXO | N12W40 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 11377
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B7.08 | 2011/12/16 | 08:14 | 08:20 | 08:27 |
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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| 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 | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| August 2024 | 215.5 +19 |
| September 2024 | 151.6 -63.9 |
| Last 30 days | 158.3 -54.2 |