Sunspot region AR8555
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/27 | 1 | 50 | HSX | N16E75 | |
| 1999/05/28 | 1 | 60 | HAX | N15E61 | |
| 1999/05/29 | 1 | 50 | HSX | N17E49 | |
| 1999/05/30 | 1 | 50 | HSX | N17E35 | |
| 1999/05/31 | 1 | 50 | HSX | N16E22 | |
| 1999/06/01 | 3 | 40 | CSO | N17E08 | |
| 1999/06/02 | 3 | 40 | CSO | N17W06 | |
| 1999/06/03 | 4 | 40 | CAO | N16W18 | |
| 1999/06/04 | 1 | 30 | HSX | N16W30 | |
| 1999/06/05 | 1 | 20 | HSX | N15W44 | |
| 1999/06/06 | 1 | 10 | AXX | N16W57 |
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 | 151.6 -63.9 |
| Last 30 days | 159.7 -53.2 |