Sunspot region AR8490
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/03/18 | 1 | 0 | AXX | S20E66 | |
| 1999/03/19 | 1 | 0 | AXX | S19E54 | |
| 1999/03/20 | 2 | 10 | AXX | S19E40 | |
| 1999/03/21 | 3 | 10 | BXO | S19E27 | |
| 1999/03/22 | 3 | 10 | BXO | S18E10 | |
| 1999/03/23 | 1 | 0 | AXX | S17W02 |
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 |