| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/09/10 | 3 | 10 | BXO | N12W27 | |
| 1998/09/11 | 4 | 20 | BXO | N12W41 | |
| 1998/09/12 | 9 | 120 | CSO | N11W55 | |
| 1998/09/13 | 5 | 230 | DAO | N11W71 | |
| 1998/09/14 | 3 | 200 | DAO | N12W83 | |
| 1998/09/15 | 1 | 60 | HSX | N14W91 |
| C | M |
|---|---|
| 7 | 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M3.11 | 1998/09/11 | 15:58 | 16:03 | 16:07 | |
| 2 | M1.19 | 1998/09/13 | 18:16 | 18:25 | 18:29 | |
| 3 | C3.57 | 1998/09/11 | 15:20 | 15:25 | 15:34 | |
| 4 | C2.93 | 1998/09/10 | 21:56 | 22:05 | 22:18 | |
| 5 | C2.87 | 1998/09/11 | 20:42 | 20:46 | 20:52 | |
| 6 | C2.51 | 1998/09/11 | 05:21 | 05:25 | 05:28 | |
| 7 | C2.37 | 1998/09/13 | 14:05 | 14:19 | 14:26 | |
| 8 | C1.83 | 1998/09/12 | 01:36 | 01:39 | 01:45 | |
| 9 | C1.26 | 1998/09/10 | 15:37 | 15:49 | 16:00 |
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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 | 111.2 -12.8 |
| Ultimi 30 giorni | 105.1 -4.2 |