| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/09/20 | 1 | 80 | HSX | N19E77 | |
| 1999/09/21 | 2 | 120 | CSO | N20E66 | |
| 1999/09/22 | 3 | 110 | CSO | N22E53 | |
| 1999/09/23 | 2 | 90 | HSX | N19E38 | |
| 1999/09/24 | 5 | 110 | CSO | N20E25 | |
| 1999/09/25 | 1 | 90 | HSX | N19E11 | |
| 1999/09/26 | 1 | 90 | HSX | N20W01 | |
| 1999/09/27 | 1 | 80 | HSX | N20W15 | |
| 1999/09/28 | 3 | 80 | CAO | N21W27 | |
| 1999/09/29 | 2 | 70 | HSX | N20W41 | |
| 1999/09/30 | 1 | 60 | HSX | N20W53 | |
| 1999/10/01 | 1 | 50 | HSX | N20W66 | |
| 1999/10/02 | 1 | 20 | HSX | N21W79 |
| B | M |
|---|---|
| 2 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.36 | 1999/09/21 | 03:42 | 03:52 | 04:16 | |
| 2 | B7.8 | 1999/09/24 | 20:14 | 20:18 | 20:20 | |
| 3 | B6.76 | 1999/09/24 | 14:58 | 15:11 | 15:17 |
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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 | 113.6 -10.4 |
| Ultimi 30 giorni | 107.6 -0.4 |