| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2011/09/15 | 4 | 40 | DAO | S16W52 | |
| 2011/09/16 | 4 | 50 | DAO | S18W64 | |
| 2011/09/17 | 2 | 60 | DAO | S18W77 |
| C | M |
|---|---|
| 10 | 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.32 | 2011/09/14 | 20:42 | 20:51 | 20:54 | |
| 2 | M1.12 | 2011/09/16 | 00:03 | 00:19 | 00:27 | |
| 3 | C6.81 | 2011/09/16 | 04:32 | 04:39 | 05:08 | |
| 4 | C6.61 | 2011/09/15 | 00:24 | 00:29 | 00:32 | |
| 5 | C6.03 | 2011/09/14 | 16:16 | 16:26 | 16:48 | |
| 6 | C3.8 | 2011/09/15 | 21:09 | 21:14 | 21:19 | |
| 7 | C3.28 | 2011/09/15 | 02:41 | 02:46 | 02:50 | |
| 8 | C3.23 | 2011/09/16 | 08:42 | 08:46 | 08:49 | |
| 9 | C3.2 | 2011/09/14 | 11:17 | 11:26 | 11:33 | |
| 10 | C2.77 | 2011/09/14 | 08:29 | 08:36 | 08:42 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/16 | M1.9 |
| Ultima tempesta geomagnetica | 2026/05/15 | 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 | 93.3 +14 |
| Ultimi 30 giorni | 96 +4.2 |