| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2015/02/19 | 4 | 30 | CAO | S18W66 | |
| 2015/02/20 | 2 | 30 | HSX | S20W80 |
| B | C |
|---|---|
| 2 | 5 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.21 | 2015/02/20 | 10:01 | 10:27 | 10:51 | |
| 2 | C1.95 | 2015/02/20 | 20:10 | 20:15 | 20:21 | |
| 3 | C1.7 | 2015/02/21 | 04:56 | 05:02 | 05:11 | |
| 4 | C1.46 | 2015/02/21 | 03:28 | 03:33 | 03:50 | |
| 5 | C1.2 | 2015/02/21 | 00:38 | 00:42 | 00:45 | |
| 6 | B9.8 | 2015/02/20 | 23:16 | 23:19 | 23:22 | |
| 7 | B8.94 | 2015/02/20 | 21:56 | 21:59 | 22:02 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/29 | M1.1 |
| 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 | 96.6 +17.3 |
| Ultimi 30 giorni | 97.8 +4.4 |