Sunspot region AR8460
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/02/11 | 1 | 50 | HSX | S17E70 | |
| 1999/02/12 | 3 | 100 | ESO | S17E61 | |
| 1999/02/13 | 5 | 50 | CSO | S16E50 | |
| 1999/02/14 | 4 | 30 | HSX | S16E30 | |
| 1999/02/15 | 9 | 30 | CSO | S17E17 | |
| 1999/02/16 | 5 | 50 | CSO | S17E04 | |
| 1999/02/17 | 3 | 20 | CSO | S18W10 | |
| 1999/02/18 | 3 | 20 | DAO | S17W22 | |
| 1999/02/19 | 5 | 10 | BXO | S17W35 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/13 | M1.2 |
| Last geomagnetic storm | 2026/03/13 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 83.5 +5.3 |
| Last 30 days | 58.3 -70.3 |