| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/09/13 | 4 | 30 | CRO | S22E68 | |
| 1998/09/14 | 3 | 210 | DAO | S22E54 | |
| 1998/09/15 | 5 | 190 | DAO | S22E40 | |
| 1998/09/16 | 5 | 190 | DSO | S22E27 | |
| 1998/09/17 | 6 | 110 | DAO | S22E14 | |
| 1998/09/18 | 4 | 100 | DAO | S22E01 | |
| 1998/09/19 | 6 | 100 | DAO | S22W12 | |
| 1998/09/20 | 4 | 60 | DSO | S21W26 | |
| 1998/09/21 | 3 | 70 | DSO | S21W39 | |
| 1998/09/22 | 4 | 50 | CSO | S21W52 | |
| 1998/09/23 | 1 | 50 | HSX | S20W68 | |
| 1998/09/24 | 1 | 20 | HRX | S20W81 |
| B | C |
|---|---|
| 2 | 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C1.26 | 1998/09/14 | 09:35 | 09:39 | 09:41 | |
| 2 | C1.02 | 1998/09/14 | 23:43 | 23:48 | 23:53 | |
| 3 | B5.33 | 1998/09/14 | 13:32 | 13:36 | 13:40 | |
| 4 | B4.73 | 1998/09/14 | 10:46 | 10:48 | 10:52 |
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| Ultimo brillamento X | 2026/02/04 | X4.21 |
| Ultimo brillamento M | 2026/02/25 | M2.4 |
| Ultima tempesta geomagnetica | 2026/03/03 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (4%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| febbraio 2026 | 78.2 -34.3 |
| marzo 2026 | 74.8 -3.4 |
| Ultimi 30 giorni | 53.3 -74.6 |