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, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.3 +22.5 |
| Last 30 days | 110.4 +23.9 |