Sunspot region AR9464
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/05/20 | 3 | 70 | CAO | S11E70 | |
| 2001/05/21 | 4 | 70 | DAO | S07E53 | |
| 2001/05/22 | 1 | 10 | AXX | S07E38 | |
| 2001/05/23 | 1 | 10 | HSX | S08E23 | |
| 2001/05/24 | 3 | 10 | BXO | S09E11 | |
| 2001/05/25 | 4 | 20 | BXO | S09W02 |
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
AR4366 74350 mhz F2 83Space Weather Memes 785X8 CME 17Do the high-resolution sunspot counts point to more complex sunspots? 48
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Space weather facts
| Last X-flare | 2026/02/03 | X1.5 |
| Last M-flare | 2026/02/03 | 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 |
| February 2026 | 133 +9 |
| Last 30 days | 120.6 +10.9 |