| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1999/09/27 | 1 | 30 | HSX | N20E76 | |
| 1999/09/28 | 1 | 40 | HSX | N19E64 | |
| 1999/09/29 | 3 | 30 | CSO | N19E51 | |
| 1999/09/30 | 1 | 20 | HSX | N19E38 | |
| 1999/10/01 | 1 | 20 | HSX | N21E25 | |
| 1999/10/02 | 1 | 10 | HSX | N21E13 | |
| 1999/10/03 | 1 | 10 | AXX | N21E00 | |
| 1999/10/04 | 1 | 0 | AXX | N22W13 | |
| 1999/10/05 | 1 | 0 | AXX | N24W28 |
| B |
|---|
| 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | B9.69 | 1999/09/29 | 20:12 | 20:16 | 20:18 |
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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 | 107.2 +27.9 |
| Ultimi 30 giorni | 96.5 +2.2 |