| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/07/11 | 1 | 0 | AXX | N19E68 | |
| 1998/07/12 | 4 | 40 | CRO | N17E58 | |
| 1998/07/13 | 4 | 40 | CRO | N19E43 | |
| 1998/07/14 | 4 | 10 | HRX | N17E29 | |
| 1998/07/15 | 3 | 20 | CRO | N18E16 | |
| 1998/07/16 | 5 | 10 | BXO | N20E02 | |
| 1998/07/17 | 5 | 10 | BXO | N22W10 | |
| 1998/07/18 | 1 | 0 | AXX | N24W23 | |
| 1998/07/21 | 2 | 10 | AXX | N20W62 |
| C |
|---|
| 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.43 | 1998/07/14 | 10:50 | 11:00 | 11:19 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/10 | M5.7 |
| 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 | 103.1 +23.8 |
| Ultimi 30 giorni | 96.3 +2.6 |