Sunspot region AR8743
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/26 | 4 | 10 | BXO | S15E20 | |
| 1999/10/27 | 8 | 50 | BXO | S18E08 | |
| 1999/10/28 | 3 | 20 | DAO | S14W07 | |
| 1999/10/29 | 4 | 10 | BXO | S15W18 | |
| 1999/10/30 | 8 | 40 | DSO | S14W33 | |
| 1999/10/31 | 10 | 90 | DSO | S14W47 | |
| 1999/11/01 | 5 | 110 | EAO | S15W61 | |
| 1999/11/02 | 5 | 110 | ESO | S16W73 | |
| 1999/11/03 | 1 | 60 | HSX | S16W83 |
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 28Current Farside Activity 374Yes, we really went to the moon before. 4Do the high-resolution sunspot counts point to more complex sunspots? 63AR4366 1027
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/11 | M1.4 |
| 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 | 125.3 +12.7 |
| Last 30 days | 130.4 +32.7 |