| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/04/30 | 1 | 70 | HSX | N15E68 | |
| 1999/05/01 | 10 | 200 | FSO | N16E62 | |
| 1999/05/02 | 12 | 280 | FSO | N17E49 | |
| 1999/05/03 | 16 | 290 | FSO | N17E34 | |
| 1999/05/04 | 16 | 260 | FSO | N18E24 | |
| 1999/05/05 | 19 | 210 | FSO | N18E10 | |
| 1999/05/06 | 15 | 170 | FSO | N18W02 | |
| 1999/05/07 | 11 | 160 | CSO | N18W16 | |
| 1999/05/08 | 6 | 120 | CSO | N16W31 | |
| 1999/05/09 | 1 | 150 | HSX | N17W49 | |
| 1999/05/10 | 1 | 140 | HSX | N17W60 | |
| 1999/05/11 | 1 | 110 | HSX | N16W74 | |
| 1999/05/12 | 1 | 90 | HSX | N15W90 |
| C | M |
|---|---|
| 3 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.07 | 1999/05/07 | 14:23 | 14:32 | 14:59 | |
| 2 | C3.66 | 1999/04/29 | 08:25 | 08:29 | 08:35 | |
| 3 | C3.33 | 1999/05/07 | 18:28 | 18:34 | 18:36 | |
| 4 | C1.87 | 1999/05/06 | 13:19 | 13:30 | 13:51 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/17 | M1.4 |
| 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 | 92.2 +12.9 |
| Ultimi 30 giorni | 97 +6.4 |