| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/07/26 | 3 | 20 | BXO | N22E73 | |
| 1997/07/27 | 3 | 20 | BXO | N23E59 | |
| 1997/07/28 | 3 | 10 | BXO | N24E46 | |
| 1997/07/29 | 1 | 0 | AXX | N26E35 | |
| 1997/07/31 | 2 | 0 | AXX | N24E09 |
| B |
|---|
| 3 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B6.74 | 1997/07/29 | 13:17 | 13:24 | 13:30 | |
| 2 | B5.74 | 1997/07/29 | 07:09 | 07:28 | 07:37 | |
| 3 | B2.86 | 1997/07/27 | 18:27 | 18:33 | 18:37 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/10 | M5.7 |
| Ultima tempesta geomagnetica | 2026/05/05 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (2%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| aprile 2026 | 79.3 -6.6 |
| maggio 2026 | 99.5 +20.2 |
| Ultimi 30 giorni | 94.9 +1.3 |