| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2015/10/17 | 1 | 20 | HAX | S17E74 | |
| 2015/10/18 | 1 | 30 | HAX | S15E60 | |
| 2015/10/19 | 1 | 30 | HAX | S15E45 | |
| 2015/10/20 | 1 | 20 | HSX | S15E31 | |
| 2015/10/21 | 1 | 20 | HSX | S15E17 | |
| 2015/10/22 | 2 | 20 | CRO | S15E03 | |
| 2015/10/23 | 1 | 10 | HRX | S15W09 | |
| 2015/10/24 | 1 | 10 | HRX | S15W21 | |
| 2015/10/25 | 1 | 10 | HRX | S15W34 | |
| 2015/10/26 | 1 | 10 | AXX | S15W49 | |
| 2015/10/27 | 1 | 10 | AXX | S13W62 |
| C |
|---|
| 8 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C9.46 | 2015/10/17 | 23:18 | 23:35 | 23:48 | |
| 2 | C6.84 | 2015/10/17 | 21:52 | 21:59 | 22:02 | |
| 3 | C6.17 | 2015/10/16 | 13:20 | 13:24 | 13:28 | |
| 4 | C4.84 | 2015/10/17 | 01:21 | 01:40 | 01:56 | |
| 5 | C4.1 | 2015/10/17 | 04:13 | 04:17 | 04:22 | |
| 6 | C3.34 | 2015/10/27 | 15:40 | 15:49 | 15:52 | |
| 7 | C2.66 | 2015/10/17 | 14:22 | 14:29 | 14:39 | |
| 8 | C2.2 | 2015/10/17 | 15:38 | 15:44 | 15:51 |
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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 | 90.4 +11.1 |
| Ultimi 30 giorni | 99.3 +8.3 |