Sunspot region AR11421
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/02/19 | 2 | 10 | AXX | N17E59 | |
| 2012/02/20 | 2 | 10 | AXX | N18E46 | |
| 2012/02/21 | 2 | 30 | CRO | N18E32 | |
| 2012/02/22 | 4 | 20 | BXO | N14E19 | |
| 2012/02/24 | 1 | 0 | AXX | N14W06 |
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 11421
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.87 | 2012/02/20 | 04:41 | 05:09 | 05:35 | |
| 2 | C3.3 | 2012/02/26 | 21:35 | 21:41 | 21:49 | |
| 3 | C1.97 | 2012/02/26 | 11:19 | 11:25 | 11:34 |
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 | 2024/09/22 | M3.7 |
| 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 | 144.6 -70.9 |
| Last 30 days | 150.5 -61.8 |