Sunspot region AR8909
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/03/12 | 1 | 30 | HRX | S29E76 | |
| 2000/03/13 | 2 | 40 | HSX | S29E64 | |
| 2000/03/14 | 3 | 50 | CSO | S29E55 | |
| 2000/03/15 | 4 | 50 | CSO | S28E40 | |
| 2000/03/16 | 3 | 20 | BXO | S28E27 | |
| 2000/03/17 | 2 | 10 | CSO | S28E12 | |
| 2000/03/18 | 3 | 20 | CSO | S29E01 | |
| 2000/03/19 | 4 | 30 | DRO | S28W16 | |
| 2000/03/20 | 6 | 10 | BXO | S29W25 | |
| 2000/03/21 | 1 | 0 | AXX | S28W41 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8909
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.51 | 2000/03/18 | 21:50 | 21:54 | 22:21 |
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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 | 149.4 -66.1 |
| Last 30 days | 156.7 -55.8 |