| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/07/10 | 3 | 30 | CRO | N18E52 | |
| 1999/07/11 | 7 | 20 | CRO | N19E36 | |
| 1999/07/12 | 20 | 170 | EAO | N18E20 | |
| 1999/07/13 | 21 | 210 | DAO | N17E04 | |
| 1999/07/14 | 22 | 220 | DAO | N17W09 | |
| 1999/07/15 | 16 | 150 | DAO | N18W22 | |
| 1999/07/16 | 19 | 140 | EAO | N18W35 | |
| 1999/07/17 | 14 | 140 | EAO | N18W48 | |
| 1999/07/18 | 11 | 100 | DAO | N19W62 | |
| 1999/07/19 | 6 | 100 | DAO | N18W76 | |
| 1999/07/20 | 2 | 70 | DSO | N20W88 |
| C |
|---|
| 3 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | C2.23 | 1999/07/12 | 03:33 | 03:37 | 03:41 | |
| 2 | C2.21 | 1999/07/12 | 19:42 | 19:47 | 19:56 | |
| 3 | C1.74 | 1999/07/11 | 05:59 | 06:03 | 06:06 |
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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 | 110 +30.7 |
| Ultimi 30 giorni | 95.8 -0.1 |