Sunspot region AR11574
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/09/17 | 2 | 0 | BXO | S25W17 | |
| 2012/09/18 | 4 | 40 | DSO | S24W32 | |
| 2012/09/19 | 1 | 20 | HSX | S23W43 | |
| 2012/09/20 | 1 | 20 | HSX | S25W57 | |
| 2012/09/21 | 4 | 40 | CAO | S22W70 | |
| 2012/09/22 | 2 | 30 | CRO | S24W79 |
| B | C |
|---|---|
| 1 | 2 |
The top 3 solar flares from sunspot region 11574
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.5 | 2012/09/20 | 11:27 | 11:39 | 11:52 | |
| 2 | C1.1 | 2012/09/20 | 09:18 | 09:22 | 09:26 | |
| 3 | B6.86 | 2012/09/21 | 19:28 | 19:32 | 19:38 |
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| March 2026 | 77 -35.6 |
| Last 30 days | 63.9 -58.1 |