| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/08/02 | 4 | 10 | BXO | N18E34 | |
| 1999/08/03 | 8 | 20 | BXO | N17E20 | |
| 1999/08/04 | 10 | 60 | DAO | N19E06 | |
| 1999/08/05 | 15 | 130 | DAO | N19W08 | |
| 1999/08/06 | 19 | 80 | ESO | N19W20 | |
| 1999/08/07 | 14 | 30 | CRO | N18W33 | |
| 1999/08/08 | 11 | 30 | ERO | N18W46 | |
| 1999/08/09 | 7 | 40 | CSO | N17W60 | |
| 1999/08/10 | 5 | 20 | CRO | N16W72 | |
| 1999/08/11 | 3 | 10 | BXO | N14W86 |
| C | M |
|---|---|
| 12 | 3 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.76 | 1999/08/07 | 18:52 | 19:25 | 20:15 | |
| 2 | M1.5 | 1999/08/06 | 13:50 | 14:27 | 14:52 | |
| 3 | M1.01 | 1999/08/07 | 00:56 | 01:15 | 01:22 | |
| 4 | C7.07 | 1999/08/02 | 14:01 | 14:19 | 14:30 | |
| 5 | C6.9 | 1999/08/10 | 05:52 | 06:07 | 06:18 | |
| 6 | C6.9 | 1999/08/10 | 05:52 | 06:07 | 06:18 | |
| 7 | C6.9 | 1999/08/10 | 05:52 | 06:07 | 06:18 | |
| 8 | C6.9 | 1999/08/10 | 05:52 | 06:07 | 06:18 | |
| 9 | C5.06 | 1999/08/07 | 15:10 | 15:51 | 16:44 | |
| 10 | C4.56 | 1999/08/03 | 12:21 | 12:25 | 12:29 |
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| Ultimo brillamento X | 2026/02/04 | X4.21 |
| Ultimo brillamento M | 2026/02/25 | M2.4 |
| Ultima tempesta geomagnetica | 2026/03/03 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (4%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| febbraio 2026 | 78.2 -34.3 |
| marzo 2026 | 75.1 -3.1 |
| Ultimi 30 giorni | 52.5 -75.3 |