Sunspot region AR11546
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/08/17 | 1 | 50 | HSX | N16E69 | |
| 2012/08/18 | 1 | 50 | HSX | N16E56 | |
| 2012/08/19 | 1 | 50 | HSX | N16E44 | |
| 2012/08/20 | 1 | 50 | HSX | N16E28 | |
| 2012/08/21 | 2 | 40 | HSX | N17E16 | |
| 2012/08/22 | 1 | 40 | HSX | N16E05 | |
| 2012/08/23 | 1 | 20 | HRX | N16W08 | |
| 2012/08/24 | 1 | 20 | HSX | N16W21 | |
| 2012/08/25 | 1 | 10 | AXX | N16W35 | |
| 2012/08/26 | 1 | 10 | AXX | N17W47 | |
| 2012/08/27 | 1 | 10 | AXX | N17W59 |
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 | 2026/04/02 | M3.5 |
| Last geomagnetic storm | 2026/04/02 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| April 2026 | 130 +51.8 |
| Last 30 days | 92.6 +25.1 |
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