| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2004/05/18 | 9 | 30 | DSO | S12E11 | |
| 2004/05/19 | 9 | 30 | DSO | S11W04 | |
| 2004/05/20 | 10 | 50 | DAO | S10W19 | |
| 2004/05/21 | 13 | 50 | DAO | S10W32 | |
| 2004/05/22 | 6 | 30 | CRO | S11W46 | |
| 2004/05/23 | 5 | 40 | CRO | S10W60 | |
| 2004/05/24 | 2 | 10 | AXX | S11W75 |
| B | C |
|---|---|
| 3 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.92 | 2004/05/21 | 16:16 | 16:23 | 16:28 | |
| 2 | B6.45 | 2004/05/18 | 05:32 | 05:36 | 05:38 | |
| 3 | B6.19 | 2004/05/21 | 20:32 | 20:36 | 20:40 | |
| 4 | B5.28 | 2004/05/18 | 03:55 | 04:00 | 04:08 |
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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 | 94.7 +1.9 |