Sunspot region AR12400
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/08/12 | 4 | 10 | BXO | N17E36 | |
| 2015/08/13 | 2 | 10 | BXO | N17E22 | |
| 2015/08/14 | 7 | 50 | DAO | N17E07 | |
| 2015/08/15 | 5 | 50 | CAO | N17W05 | |
| 2015/08/16 | 5 | 30 | CAO | N18W18 | |
| 2015/08/17 | 2 | 10 | AXX | N17W33 |
2015/08/12
2015/08/13
2015/08/14
2015/08/15
2015/08/16
2015/08/17
|
2015/08/12
2015/08/13
2015/08/14
2015/08/15
2015/08/16
2015/08/17
|
| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 12400
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B8.04 | 2015/08/13 | 10:30 | 10:45 | 11:00 | |
| 2 | B6.57 | 2015/08/11 | 16:56 | 17:00 | 17:09 |
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 | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| August 2024 | 215.5 +19 |
| September 2024 | 147.6 -68 |
| Last 30 days | 154.6 -57.2 |