Sunspot region AR11578
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/09/25 | 5 | 20 | CRO | N21E10 | |
| 2012/09/26 | 3 | 10 | BXO | N21W04 | |
| 2012/09/28 | 1 | 5 | AXX | N21W31 | |
| 2012/10/01 | 2 | 10 | CAO | N21W75 | |
| 2012/10/02 | 1 | 20 | HSX | N21W88 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11578
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.35 | 2012/09/24 | 15:39 | 15:42 | 15:45 |
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 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| 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 | 139.3 +26.7 |
| Last 30 days | 124.9 +18 |