| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/07/20 | 5 | 10 | BXO | N38W14 | |
| 1999/07/21 | 5 | 20 | BXO | N39W26 | |
| 1999/07/22 | 11 | 50 | DSO | N38W37 | |
| 1999/07/23 | 12 | 400 | DAI | N38W50 | |
| 1999/07/24 | 13 | 390 | DKO | N38W62 | |
| 1999/07/25 | 14 | 290 | DAO | N38W74 | |
| 1999/07/26 | 8 | 230 | DAO | N38W87 |
| C | M |
|---|---|
| 1 | 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M3.44 | 1999/07/25 | 13:08 | 13:38 | 14:17 | |
| 2 | M1.1 | 1999/07/24 | 20:40 | 20:48 | 20:59 | |
| 3 | C3.69 | 1999/07/22 | 02:32 | 02:39 | 02:46 |
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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 |