Sunspot region AR8463
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/02/13 | 1 | 40 | HSX | S16E59 | |
| 1999/02/14 | 1 | 70 | HSX | S15E45 | |
| 1999/02/15 | 1 | 60 | HSX | S16E33 | |
| 1999/02/16 | 2 | 80 | HSX | S16E20 | |
| 1999/02/17 | 1 | 70 | HSX | S17E06 | |
| 1999/02/18 | 1 | 70 | HSX | S17W07 | |
| 1999/02/19 | 1 | 50 | HSX | S17W19 | |
| 1999/02/20 | 1 | 50 | HSX | S18W33 | |
| 1999/02/21 | 1 | 40 | HSX | S17W46 | |
| 1999/02/22 | 2 | 40 | CSO | S17W62 | |
| 1999/02/23 | 1 | 10 | HRX | S17W72 |
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Saturday, 14 September 2024
X4.5 solar flare with a fast coronal mass ejection
Thursday, 12 September 2024
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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 |