| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2023/09/18 | 8 | 70 | DSO | S17W17 | |
| 2023/09/19 | 6 | 100 | DAO | S17W29 | |
| 2023/09/20 | 11 | 190 | DAI | S18W43 | |
| 2023/09/21 | 7 | 140 | DSO | S18W57 | |
| 2023/09/22 | 5 | 120 | DSO | S24W72 | |
| 2023/09/23 | 2 | 30 | CSO | S18W83 | |
| 2023/09/24 | 2 | 30 | CSO | S19W97 |
| C |
|---|
| 4 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C9.8 | 2023/09/22 | 19:20 | 19:29 | 19:33 | |
| 2 | C3.1 | 2023/09/20 | 08:43 | 08:54 | 09:03 | |
| 3 | C3.1 | 2023/09/20 | 09:03 | 09:10 | 09:15 | |
| 4 | C2.1 | 2023/09/19 | 00:31 | 00:41 | 00:45 |
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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 | 91.4 +12.1 |
| Ultimi 30 giorni | 98.4 +8 |