| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2021/03/16 | 2 | 30 | HRX | N18E64 | |
| 2021/03/17 | 2 | 50 | HAX | N18E52 | |
| 2021/03/18 | 2 | 200 | HAX | N18E39 | |
| 2021/03/19 | 4 | 30 | HRX | N18E26 | |
| 2021/03/20 | 2 | 10 | AXX | N19E13 |
| B |
|---|
| 3 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B5.0 | 2021/03/22 | 01:10 | 01:40 | 01:59 | |
| 2 | B1.8 | 2021/03/25 | 16:41 | 16:51 | 16:59 | |
| 3 | B1.3 | 2021/03/21 | 18:51 | 19:01 | 19:14 |
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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 | 88.6 +9.3 |
| Ultimi 30 giorni | 99.4 +8.5 |