Sunspot region AR8255
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/06/25 | 1 | 0 | AXX | S22E64 | |
| 1998/06/26 | 6 | 20 | BXO | S23E51 | |
| 1998/06/27 | 9 | 70 | CSO | S22E39 | |
| 1998/06/28 | 7 | 80 | DAO | S22E26 | |
| 1998/06/29 | 4 | 80 | CAO | S22E13 | |
| 1998/06/30 | 2 | 60 | HSX | S22W03 | |
| 1998/07/01 | 4 | 60 | CSO | S23W16 | |
| 1998/07/02 | 5 | 60 | CSO | S22W30 | |
| 1998/07/03 | 3 | 70 | HSX | S23W44 | |
| 1998/07/04 | 2 | 40 | HSX | S23W56 | |
| 1998/07/05 | 1 | 50 | HSX | S23W69 | |
| 1998/07/06 | 1 | 30 | HSX | S23W82 |
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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 |