Sunspot region AR9728
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/12/05 | 3 | 20 | DSO | N36W07 | |
| 2001/12/06 | 9 | 60 | DSO | N36W20 | |
| 2001/12/07 | 9 | 100 | DAO | N35W34 | |
| 2001/12/08 | 5 | 110 | EAO | N36W47 | |
| 2001/12/09 | 4 | 70 | ESO | N36W60 | |
| 2001/12/10 | 5 | 50 | ESO | N35W71 | |
| 2001/12/11 | 1 | 20 | HSX | N35W90 |
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
Broad-spectrum aurora pillars 34CH 17 9Incoming & Unnumbered Active Regions 135AR 4357 1Filaments and prominences 480
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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 | 119.6 +1.6 |