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
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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AR4409 83AR4405 238Comet C/2026 A1 (MAPS) for the southern hemisphere 37AR 4408 1Late 2026/04/01 Filament CME 15
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/03 | M1.3 |
| Last geomagnetic storm | 2026/04/02 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| April 2026 | 141 +62.8 |
| Last 30 days | 94.6 +27 |
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