Sunspot region AR8327
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/09/04 | 1 | 50 | HSX | N30E78 | |
| 1998/09/05 | 1 | 70 | HSX | N28E64 | |
| 1998/09/06 | 3 | 30 | HSX | N30E52 | |
| 1998/09/07 | 3 | 30 | CSO | N30E39 | |
| 1998/09/08 | 4 | 20 | BXO | N30E28 | |
| 1998/09/09 | 3 | 10 | BXO | N29E14 | |
| 1998/09/10 | 1 | 0 | AXX | N29E01 | |
| 1998/09/11 | 1 | 0 | AXX | N28W13 | |
| 1998/09/12 | 2 | 0 | AXX | N29W24 |
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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 | 2024/09/14 | 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 | 149.4 -66.1 |
| Last 30 days | 156.7 -55.8 |