| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2017/09/04 | 2 | 10 | AXX | N19E64 | |
| 2017/09/05 | 2 | 10 | AXX | N19E51 | |
| 2017/09/06 | 1 | 20 | AXX | N18E39 | |
| 2017/09/07 | 1 | 10 | AXX | N18E25 | |
| 2017/09/08 | 3 | 10 | BXO | N17E12 | |
| 2017/09/09 | 3 | 10 | AXX | N17W02 |
| B | C |
|---|---|
| 1 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C3.87 | 2017/09/07 | 22:57 | 23:00 | 23:02 | |
| 2 | B4.53 | 2017/09/12 | 13:57 | 14:01 | 14:08 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/17 | M1.4 |
| 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 | 92.6 +13.3 |
| Ultimi 30 giorni | 95.5 +3.7 |