| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2015/02/19 | 1 | 10 | AXX | S07E69 | |
| 2015/02/20 | 1 | 10 | AXX | S07E55 | |
| 2015/02/21 | 1 | 10 | AXX | S07E43 | |
| 2015/02/22 | 1 | 10 | AXX | S07E29 | |
| 2015/02/23 | 1 | 10 | AXX | S07E17 | |
| 2015/02/25 | 4 | 10 | BXO | S09W10 | |
| 2015/02/26 | 2 | 10 | AXX | S10W23 | |
| 2015/02/27 | 2 | 10 | AXX | S10W37 |
| C |
|---|
| 3 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.31 | 2015/02/19 | 01:08 | 01:12 | 01:15 | |
| 2 | C1.2 | 2015/02/18 | 16:17 | 16:21 | 16:24 | |
| 3 | C1.08 | 2015/02/18 | 19:12 | 19:17 | 19:20 |
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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 |