| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/03/09 | 1 | 100 | HHX | S22E76 | |
| 1999/03/10 | 2 | 190 | DAO | S24E64 | |
| 1999/03/11 | 5 | 140 | DAO | S23E54 | |
| 1999/03/12 | 9 | 120 | DAO | S23E41 | |
| 1999/03/13 | 8 | 90 | DSO | S22E30 | |
| 1999/03/14 | 11 | 70 | DSO | S23E18 | |
| 1999/03/15 | 10 | 60 | DSO | S24E05 | |
| 1999/03/16 | 7 | 40 | CSO | S23W08 | |
| 1999/03/17 | 6 | 40 | CSO | S23W21 | |
| 1999/03/18 | 4 | 20 | CSO | S23W34 | |
| 1999/03/19 | 3 | 10 | BXO | S23W46 | |
| 1999/03/20 | 1 | 10 | AXX | S23W59 | |
| 1999/03/21 | 1 | 0 | AXX | S25W71 |
| C | M |
|---|---|
| 2 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M3.73 | 1999/03/08 | 06:30 | 06:37 | 06:43 | |
| 2 | C4.7 | 1999/03/09 | 22:45 | 22:57 | 23:03 | |
| 3 | C1.6 | 1999/03/09 | 20:04 | 20:10 | 20:15 |
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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 (5%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| febbraio 2026 | 78.2 -34.3 |
| marzo 2026 | 75 -3.2 |
| Ultimi 30 giorni | 56.5 -68.4 |