| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/11/30 | 4 | 130 | DSO | N15E70 | |
| 1998/12/01 | 9 | 300 | FKO | N15E64 | |
| 1998/12/02 | 8 | 310 | EAO | N14E46 | |
| 1998/12/03 | 10 | 240 | EAO | N15E32 | |
| 1998/12/04 | 7 | 200 | EAO | N14E19 | |
| 1998/12/05 | 8 | 260 | CHO | N14E06 | |
| 1998/12/06 | 1 | 210 | HAX | N15W08 | |
| 1998/12/07 | 3 | 210 | HAX | N16W24 | |
| 1998/12/08 | 6 | 190 | CAO | N16W36 | |
| 1998/12/09 | 2 | 150 | HSX | N16W50 | |
| 1998/12/10 | 2 | 120 | HSX | N16W63 | |
| 1998/12/11 | 2 | 80 | HAX | N16W76 | |
| 1998/12/12 | 1 | 70 | HAX | N16W89 |
| C |
|---|
| 4 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C5.13 | 1998/11/30 | 22:51 | 23:01 | 23:12 | |
| 2 | C1.96 | 1998/12/01 | 16:20 | 16:26 | 16:30 | |
| 3 | C1.77 | 1998/12/06 | 16:00 | 16:12 | 16:35 | |
| 4 | C1.51 | 1998/12/03 | 04:34 | 04:38 | 04:44 |
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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 |