| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/10/13 | 3 | 20 | CRO | N15W67 | |
| 2021/10/14 | 1 | 10 | AXX | N15W80 |
| B | C |
|---|---|
| 21 | 6 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.2 | 2021/10/14 | 01:24 | 01:34 | 01:40 | |
| 2 | C1.8 | 2021/10/14 | 02:54 | 03:04 | 03:14 | |
| 3 | C1.3 | 2021/10/13 | 21:38 | 21:56 | 22:02 | |
| 4 | C1.3 | 2021/10/13 | 22:02 | 22:05 | 22:09 | |
| 5 | C1.1 | 2021/10/14 | 02:35 | 02:52 | 02:54 | |
| 6 | C1.0 | 2021/10/13 | 18:28 | 18:33 | 18:38 | |
| 7 | B9.9 | 2021/10/15 | 15:01 | 15:16 | 15:29 | |
| 8 | B5.4 | 2021/10/13 | 21:07 | 21:17 | 21:22 | |
| 9 | B5.3 | 2021/10/14 | 00:57 | 01:02 | 01:06 | |
| 10 | B4.8 | 2021/10/13 | 20:13 | 20:22 | 20:27 |
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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 |