| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/05/08 | 3 | 60 | CSO | S28E70 | |
| 1999/05/09 | 5 | 140 | EAO | S28E59 | |
| 1999/05/10 | 9 | 80 | DSO | S28E46 | |
| 1999/05/11 | 10 | 100 | DSO | S27E33 | |
| 1999/05/12 | 13 | 50 | BXO | S26E19 | |
| 1999/05/13 | 12 | 40 | CRO | S27E08 | |
| 1999/05/14 | 6 | 20 | BXO | S27W05 | |
| 1999/05/15 | 5 | 10 | BXO | S25W22 | |
| 1999/05/16 | 2 | 0 | BXO | S25W33 | |
| 1999/05/17 | 1 | 0 | AXX | S31W38 | |
| 1999/05/20 | 1 | 0 | AXX | S29W76 |
| C |
|---|
| 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.37 | 1999/05/14 | 21:58 | 22:31 | 22:46 | |
| 2 | C1.87 | 1999/05/10 | 20:19 | 20:22 | 20:31 |
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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 | 103.1 +23.8 |
| Ultimi 30 giorni | 95.2 +0.9 |