| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/02/13 | 1 | 70 | EAO | N19E64 | |
| 1999/02/14 | 4 | 160 | ESO | N21E55 | |
| 1999/02/15 | 7 | 90 | CSO | N20E42 | |
| 1999/02/16 | 6 | 90 | CSO | N20E28 | |
| 1999/02/17 | 7 | 80 | CSO | N19E15 | |
| 1999/02/18 | 7 | 70 | DSO | N20E02 | |
| 1999/02/19 | 10 | 70 | CSO | N18W11 | |
| 1999/02/20 | 6 | 50 | CSO | N18W26 | |
| 1999/02/21 | 3 | 30 | CSO | N18W40 | |
| 1999/02/22 | 3 | 20 | CSO | N18W53 | |
| 1999/02/23 | 1 | 0 | AXX | N18W65 |
| C | M |
|---|---|
| 3 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.35 | 1999/02/16 | 23:56 | 00:03 | 00:07 | |
| 2 | C3.44 | 1999/02/15 | 18:31 | 18:37 | 18:40 | |
| 3 | C1.53 | 1999/02/19 | 07:28 | 07:33 | 07:36 | |
| 4 | C1.12 | 1999/02/18 | 23:53 | 00:05 | 00:07 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/22 | M2.3 |
| Ultima tempesta geomagnetica | 2026/05/16 | Kp6- (G2) |
| 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 | 91.5 +12.2 |
| Ultimi 30 giorni | 96.4 +4.5 |