| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2015/01/10 | 8 | 40 | DAO | N09E11 | |
| 2015/01/11 | 7 | 30 | CRO | N09W02 | |
| 2015/01/12 | 4 | 30 | CRO | N09W17 | |
| 2015/01/13 | 8 | 60 | DAI | N09W33 | |
| 2015/01/14 | 4 | 60 | DAO | N09W47 | |
| 2015/01/15 | 6 | 70 | CAO | N10W59 | |
| 2015/01/16 | 4 | 60 | CSO | N09W74 | |
| 2015/01/17 | 4 | 30 | CAO | N09W86 | |
| 2015/01/18 | 4 | 30 | CAO | N09W0* |
| C |
|---|
| 4 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C8.78 | 2015/01/12 | 04:26 | 04:32 | 04:36 | |
| 2 | C2.63 | 2015/01/16 | 03:18 | 03:30 | 03:53 | |
| 3 | C2.39 | 2015/01/14 | 19:40 | 19:44 | 19:48 | |
| 4 | C2.24 | 2015/01/11 | 19:54 | 20:46 | 21:03 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/07 | M2.6 |
| 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 | 116.3 +37 |
| Ultimi 30 giorni | 92.9 -7.7 |