Sunspot region AR10660
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/08/12 | 4 | 20 | CRO | S08E62 | |
| 2004/08/13 | 4 | 50 | DSO | S07E48 | |
| 2004/08/14 | 2 | 40 | CAO | S07E35 | |
| 2004/08/15 | 1 | 30 | HSX | S07E17 | |
| 2004/08/16 | 1 | 10 | HSX | S07E04 | |
| 2004/08/17 | 1 | 10 | HRX | S07W10 | |
| 2004/08/18 | 1 | 10 | AXX | S08W24 |
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
AR4366 125Space Weather Memes 779Do the high-resolution sunspot counts point to more complex sunspots? 38Broad-spectrum aurora pillars 48Incoming & Unnumbered Active Regions 139
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/02/01 | M6.7 |
| 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 |
| Last 30 days | 119.2 +2.7 |