Sunspot region AR11477
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/05/09 | 1 | 60 | HSX | S22E73 | |
| 2012/05/10 | 2 | 150 | DSO | S24E62 | |
| 2012/05/11 | 1 | 100 | HSX | S22E47 | |
| 2012/05/12 | 1 | 80 | HSX | S22E31 | |
| 2012/05/13 | 1 | 40 | HSX | S21E19 | |
| 2012/05/14 | 1 | 50 | HSX | S23E07 | |
| 2012/05/15 | 4 | 40 | HSX | S22W05 | |
| 2012/05/16 | 1 | 30 | HSX | S22W19 | |
| 2012/05/17 | 1 | 10 | AXX | S21W32 | |
| 2012/05/18 | 1 | 20 | HRX | S20W45 | |
| 2012/05/19 | 1 | 20 | HRX | S21W59 | |
| 2012/05/20 | 1 | 20 | HRX | S22W72 | |
| 2012/05/21 | 1 | 30 | HSX | S17W85 |
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
50 mhz F2 78AR4366 618Filaments and prominences 482Do the high-resolution sunspot counts point to more complex sunspots? 47X8 CME 3
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Space weather facts
| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/03 | M3.6 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 114 -10 |
| Last 30 days | 118.1 +6.2 |