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
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
Latest forum messages
Unexplained proton activity 107Ask your obscure/"stupid" space weather questions. 492AR4366 1016AR4374 13Feb 8-9 CMEs 25
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 132.1 +19.5 |
| Last 30 days | 128.6 +27.4 |