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
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
Latest forum messages
CMEs from 2025/10/03 50Incoming & Unnumbered Active Regions 2109Comet C/2025 A6 (Lemmon) 72Coronal Hole 85 2Unspecified geomagnetic activity 3204
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |