| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/02/17 | 1 | 60 | HSX | N16E65 | |
| 1999/02/18 | 1 | 80 | HSX | N16E56 | |
| 1999/02/19 | 2 | 90 | HSX | N16E43 | |
| 1999/02/20 | 2 | 110 | HSX | N16E29 | |
| 1999/02/21 | 5 | 100 | HAX | N16E16 | |
| 1999/02/22 | 5 | 80 | CAO | N16E03 | |
| 1999/02/23 | 5 | 60 | CSO | N16W10 | |
| 1999/02/24 | 1 | 30 | HSX | N17W23 | |
| 1999/02/25 | 2 | 20 | HSX | N16W36 | |
| 1999/02/26 | 2 | 0 | AXX | N15W49 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/31 | M7.11 |
| Ultima tempesta geomagnetica | 2026/01/02 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| dicembre 2025 | 124 +32.2 |
| gennaio 2026 | 110 -14 |
| Ultimi 30 giorni | 104.3 -5.3 |