Sunspot region AR11537
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/08/01 | 1 | 10 | AXX | N12E76 | |
| 2012/08/02 | 1 | 40 | HSX | N12E64 | |
| 2012/08/03 | 1 | 50 | HSX | N12E50 | |
| 2012/08/04 | 1 | 40 | HSX | N12E35 | |
| 2012/08/05 | 1 | 50 | HSX | N12E23 | |
| 2012/08/06 | 1 | 40 | HSX | N13E09 | |
| 2012/08/07 | 1 | 40 | HSX | N13W04 | |
| 2012/08/08 | 1 | 50 | HSX | N12W17 | |
| 2012/08/09 | 1 | 20 | HSX | N12W30 | |
| 2012/08/10 | 1 | 30 | HSX | N13W42 | |
| 2012/08/11 | 1 | 20 | HSX | N13W55 | |
| 2012/08/12 | 1 | 10 | AXX | N12W69 |
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
Latest forum messages
Incoming & Unnumbered Active Regions 127Do the high-resolution sunspot counts point to more complex sunspots? 34CH 17 6Broad-spectrum aurora pillars 21Current Farside Activity 349
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| 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 |
| January 2026 | 119.3 -4.7 |
| Last 30 days | 120.3 +3.4 |