| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/07/26 | 11 | 150 | DSO | N18W56 | |
| 1997/07/27 | 9 | 140 | DAO | N17W70 | |
| 1997/07/28 | 6 | 150 | DAO | N16W82 |
| B | C |
|---|---|
| 1 | 3 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.76 | 1997/07/25 | 05:15 | 05:41 | 06:58 | |
| 2 | C1.64 | 1997/07/25 | 18:45 | 18:55 | 18:59 | |
| 3 | C1.19 | 1997/07/25 | 15:33 | 15:39 | 15:48 | |
| 4 | B5.53 | 1997/07/26 | 00:12 | 00:16 | 00:18 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/29 | M2.2 |
| Ultima tempesta geomagnetica | 2025/12/22 | 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 | 116.5 +24.7 |
| Ultimi 30 giorni | 116.2 +30.6 |