| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/02/03 | 9 | 30 | CRO | S21E22 | |
| 1997/02/04 | 11 | 60 | DAI | S21E09 | |
| 1997/02/05 | 10 | 30 | CSO | S21W04 | |
| 1997/02/06 | 5 | 30 | HRX | S20W18 | |
| 1997/02/07 | 1 | 0 | AXX | S20W32 | |
| 1997/02/08 | 1 | 0 | AXX | S19W45 | |
| 1997/02/09 | 1 | 0 | AXX | S20W58 | |
| 1997/02/10 | 1 | 0 | AXX | S19W71 |
| B | C |
|---|---|
| 4 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.63 | 1997/02/04 | 11:11 | 11:17 | 11:19 | |
| 2 | B8.09 | 1997/02/02 | 19:23 | 19:35 | 19:54 | |
| 3 | B6.1 | 1997/02/03 | 10:14 | 10:19 | 10:23 | |
| 4 | B4.61 | 1997/02/04 | 01:04 | 01:07 | 01:09 | |
| 5 | B4.06 | 1997/02/04 | 05:22 | 05:30 | 05:37 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/22 | M2.3 |
| Ultima tempesta geomagnetica | 2026/05/16 | Kp6- (G2) |
| 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 | 87.5 +8.2 |
| Ultimi 30 giorni | 98 +7.5 |