Sunspot region AR8687
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/09/03 | 6 | 20 | CRO | N11W07 | |
| 1999/09/04 | 6 | 10 | BXO | N10W21 | |
| 1999/09/05 | 10 | 20 | BXO | N11W33 | |
| 1999/09/06 | 5 | 30 | CSO | N10W48 | |
| 1999/09/07 | 6 | 50 | DAO | N10W60 | |
| 1999/09/08 | 7 | 20 | BXO | N12W73 | |
| 1999/09/09 | 2 | 50 | HSX | N09W87 |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/04 | M1.1 |
| 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 |