Sunspot region AR12864
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/09/03 | 4 | 30 | CRO | N23E22 | |
| 2021/09/04 | 7 | 50 | DAO | N25E09 | |
| 2021/09/05 | 8 | 90 | DAO | N24W03 | |
| 2021/09/06 | 10 | 180 | DAO | N24W18 | |
| 2021/09/07 | 10 | 220 | CSO | N24W33 | |
| 2021/09/08 | 1 | 110 | HSX | N23W46 | |
| 2021/09/09 | 4 | 100 | HSX | N24W59 | |
| 2021/09/10 | 2 | 80 | CSO | N24W76 | |
| 2021/09/11 | 1 | 50 | HSX | N22W90 | |
| 2021/09/12 | 1 | 50 | HSX | N24W0* |
2021/09/03
2021/09/04
2021/09/05
2021/09/06
2021/09/07
2021/09/08
2021/09/09
2021/09/10
2021/09/11
2021/09/12
|
2021/09/03
2021/09/04
2021/09/05
2021/09/06
2021/09/07
2021/09/08
2021/09/09
2021/09/10
2021/09/11
2021/09/12
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 12864
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.4 | 2021/09/08 | 23:42 | 00:10 | 00:33 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/15 | M1.2 |
| Last geomagnetic storm | 2025/04/16 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 120.5 -13.7 |
| Last 30 days | 116.6 -25.7 |