| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/12/17 | 1 | 120 | HSX | S18E78 | |
| 1999/12/18 | 1 | 150 | HAX | S17E66 | |
| 1999/12/19 | 3 | 210 | CHO | S19E54 | |
| 1999/12/20 | 3 | 250 | CHO | S19E43 | |
| 1999/12/21 | 2 | 290 | CHO | S20E29 | |
| 1999/12/22 | 1 | 280 | HHX | S18E15 | |
| 1999/12/23 | 1 | 240 | HSX | S18E02 | |
| 1999/12/24 | 1 | 250 | HHX | S18W11 | |
| 1999/12/25 | 2 | 300 | HHX | S18W25 | |
| 1999/12/26 | 3 | 220 | CHO | S17W38 | |
| 1999/12/27 | 5 | 260 | CHO | S17W51 | |
| 1999/12/28 | 3 | 190 | HSX | S18W64 | |
| 1999/12/29 | 2 | 170 | HSX | S17W78 | |
| 1999/12/30 | 1 | 100 | HSX | S18W91 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/12 | M1.1 |
| Ultima tempesta geomagnetica | 2025/12/12 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| dicembre 2025 | 128 +36.2 |
| Ultimi 30 giorni | 108.4 +15.8 |