Sunspot region AR10257
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/01/14 | 3 | 10 | BXO | N16E23 | |
| 2003/01/15 | 6 | 20 | CSO | N16E09 | |
| 2003/01/16 | 4 | 20 | CSO | N16W03 | |
| 2003/01/17 | 1 | 10 | AXX | N15W19 | |
| 2003/01/18 | 3 | 10 | BXO | N16W36 | |
| 2003/01/19 | 6 | 20 | CSO | N16W48 | |
| 2003/01/20 | 4 | 50 | DSO | N16W62 | |
| 2003/01/21 | 5 | 110 | CAO | N16W75 | |
| 2003/01/22 | 2 | 80 | DAO | N16W88 |
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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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 128.3 +42.3 |
| Last 30 days | 97.5 +35.7 |
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