Sunspot region AR8511
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/07 | 6 | 100 | DAO | S17E59 | |
| 1999/04/08 | 5 | 130 | DAO | S17E46 | |
| 1999/04/09 | 5 | 110 | DAO | S17E33 | |
| 1999/04/10 | 4 | 100 | DSO | S17E21 | |
| 1999/04/11 | 6 | 110 | DAO | S16E07 | |
| 1999/04/12 | 4 | 120 | DAO | S17W05 | |
| 1999/04/13 | 5 | 80 | DSO | S16W19 | |
| 1999/04/14 | 3 | 20 | CSO | S16W33 | |
| 1999/04/15 | 2 | 20 | HSX | S20W49 | |
| 1999/04/16 | 1 | 0 | AXX | S17W61 |
Latest news
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 | 147.6 -68 |
| Last 30 days | 154.6 -57.2 |