| Nombre de taques solars |
Mida | Classe Magn. | Classe Taca | Ubicació | |
|---|---|---|---|---|---|
| 1997/04/03 | 3 | 50 | CAO | S30E77 | |
| 1997/04/04 | 4 | 70 | CAO | S27E64 | |
| 1997/04/05 | 4 | 80 | CAO | S29E51 | |
| 1997/04/06 | 10 | 70 | CSO | S28E38 | |
| 1997/04/07 | 7 | 50 | CAO | S28E24 | |
| 1997/04/08 | 6 | 30 | CRO | S28E12 | |
| 1997/04/09 | 4 | 20 | CAO | S28E00 | |
| 1997/04/10 | 4 | 10 | BXO | S28W13 | |
| 1997/04/12 | 3 | 10 | BXO | S28W39 |
| B | C |
|---|---|
| 3 | 1 |
| Inici | Màxim | Final | ||||
|---|---|---|---|---|---|---|
| 1 | C9.01 | 1997/04/07 | 13:50 | 14:07 | 14:19 | |
| 2 | B7.37 | 1997/04/05 | 20:16 | 20:29 | 20:42 | |
| 3 | B6.23 | 1997/04/05 | 15:14 | 15:31 | 15:40 | |
| 4 | B5.49 | 1997/04/09 | 04:18 | 04:34 | 04:46 |
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| Última Flamarada-X | 2026/03/30 | X1.5 |
| Última Flamarada-M | 2026/04/02 | M3.5 |
| Última tempesta geomagnètica | 2026/04/02 | Kp6- (G2) |
| Dies sense taques | |
|---|---|
| Last 365 days | 3 dies |
| 2026 | 3 dies (3%) |
| Últim dia sense taques | 2026/02/24 |
| Número mensual mitjà de taques solars | |
|---|---|
| de febrer 2026 | 78.2 -34.3 |
| d’abril 2026 | 141 +62.8 |
| Last 30 days | 94.6 +27 |