Sunspot region AR9640
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/09/28 | 4 | 40 | CSO | N10E67 | |
| 2001/09/29 | 2 | 20 | BXO | N10E56 | |
| 2001/09/30 | 3 | 30 | HSX | N10E41 | |
| 2001/10/01 | 2 | 20 | CSO | N10E26 | |
| 2001/10/02 | 3 | 40 | CAO | N11E12 | |
| 2001/10/03 | 10 | 20 | CAO | N10E00 | |
| 2001/10/04 | 6 | 10 | BXO | N10W13 | |
| 2001/10/05 | 5 | 20 | BXO | N11W27 |
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
Feb 8-9 CMEs 19Space Weather Memes 791AR4366 995Current Farside Activity 370Incoming & Unnumbered Active Regions 152
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |