Sunspot region AR9928
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/04/30 | 2 | 130 | HAX | N18E75 | |
| 2002/05/01 | 4 | 70 | CSO | N18E61 | |
| 2002/05/02 | 5 | 120 | DAO | N17E48 | |
| 2002/05/03 | 6 | 80 | DAO | N17E35 | |
| 2002/05/04 | 17 | 130 | DAO | N18E22 | |
| 2002/05/05 | 20 | 100 | DAO | N17E10 | |
| 2002/05/06 | 15 | 90 | DAO | N18W05 | |
| 2002/05/07 | 8 | 50 | CSO | N18W18 | |
| 2002/05/08 | 4 | 30 | CSO | N19W32 | |
| 2002/05/09 | 1 | 10 | HRX | N19W45 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 9928
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.17 | 2002/05/12 | 02:29 | 03:16 | 04:00 | |
| 2 | C2.82 | 2002/05/04 | 11:10 | 11:15 | 11:22 |
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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 |