Sunspot region AR10730
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2005/02/05 | 1 | 60 | HSX | S20E73 | |
| 2005/02/06 | 1 | 30 | HSX | S20E60 | |
| 2005/02/07 | 1 | 50 | HAX | S20E46 | |
| 2005/02/08 | 3 | 60 | CSO | S20E33 | |
| 2005/02/09 | 9 | 70 | DSO | S20E20 | |
| 2005/02/10 | 6 | 90 | CAO | S21E09 | |
| 2005/02/11 | 2 | 50 | HAX | S20W05 | |
| 2005/02/12 | 2 | 50 | HAX | S20W19 | |
| 2005/02/13 | 4 | 10 | AXX | S20W32 | |
| 2005/02/14 | 3 | 10 | AXX | S19W44 | |
| 2005/02/15 | 3 | 10 | BXO | S19W57 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 114.3 +28.4 |
| Last 30 days | 102.4 +48.5 |
