| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/03/01 | 9 | 10 | BXO | N20E19 | |
| 1999/03/02 | 6 | 20 | CRO | N19E07 | |
| 1999/03/03 | 15 | 70 | DSO | N18W10 | |
| 1999/03/04 | 21 | 150 | DSI | N18W23 | |
| 1999/03/05 | 18 | 200 | EKO | N18W35 | |
| 1999/03/06 | 24 | 340 | EAI | N18W49 | |
| 1999/03/07 | 19 | 330 | EAO | N17W62 | |
| 1999/03/08 | 9 | 250 | EAO | N17W74 | |
| 1999/03/09 | 4 | 150 | EAO | N18W91 |
| C |
|---|
| 4 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.36 | 1999/03/02 | 13:22 | 13:30 | 13:35 | |
| 2 | C2.26 | 1999/03/03 | 05:58 | 06:02 | 06:04 | |
| 3 | C1.66 | 1999/03/03 | 16:49 | 16:54 | 17:05 | |
| 4 | C1.1 | 1999/03/03 | 07:47 | 07:50 | 07:52 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/10 | M5.7 |
| Ultima tempesta geomagnetica | 2026/05/05 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (2%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| aprile 2026 | 79.3 -6.6 |
| maggio 2026 | 107.2 +27.9 |
| Ultimi 30 giorni | 95.2 -0.7 |