Sunspot region AR8713
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/09/30 | 2 | 0 | AXX | S13E62 | |
| 1999/10/01 | 2 | 20 | HSX | S12E45 | |
| 1999/10/02 | 1 | 10 | HSX | S13E34 | |
| 1999/10/03 | 1 | 20 | HRX | S12E19 | |
| 1999/10/04 | 1 | 0 | AXX | S12E06 | |
| 1999/10/05 | 4 | 0 | BXO | S14W09 | |
| 1999/10/08 | 2 | 0 | BXO | S14W45 | |
| 1999/10/10 | 3 | 10 | BXO | S12W70 | |
| 1999/10/11 | 2 | 20 | CSO | S12W87 |
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
X8 CME 71AR4366 885Current Farside Activity 353Incoming & Unnumbered Active Regions 144Space Weather Memes 787
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/04 | M1.8 |
| 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 | 121.6 +13.3 |