| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2017/01/21 | 12 | 70 | DAO | N05E28 | |
| 2017/01/22 | 13 | 80 | DAI | N06E15 | |
| 2017/01/23 | 11 | 110 | DAI | N06E01 | |
| 2017/01/24 | 13 | 70 | DAI | N06W12 | |
| 2017/01/25 | 4 | 30 | CRO | N06W25 | |
| 2017/01/26 | 2 | 10 | BXO | N06W39 |
| B | C |
|---|---|
| 3 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C4.06 | 2017/01/28 | 20:56 | 21:09 | 21:21 | |
| 2 | B7.22 | 2017/01/27 | 10:38 | 10:45 | 10:52 | |
| 3 | B5.26 | 2017/01/20 | 17:09 | 17:12 | 17:16 | |
| 4 | B3.22 | 2017/01/20 | 20:57 | 21:00 | 21:04 |
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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 | 92.2 +12.9 |
| Ultimi 30 giorni | 97 +6.4 |