| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2001/09/04 | 2 | 40 | DSO | S17E57 | |
| 2001/09/05 | 10 | 150 | DAO | S17E45 | |
| 2001/09/06 | 19 | 210 | DAO | S17E32 | |
| 2001/09/07 | 25 | 360 | EKI | S17E19 | |
| 2001/09/08 | 33 | 270 | EKI | S18E05 | |
| 2001/09/09 | 30 | 220 | EAI | S18W07 | |
| 2001/09/10 | 33 | 210 | EAO | S18W22 | |
| 2001/09/11 | 18 | 210 | DAO | S18W36 | |
| 2001/09/12 | 3 | 150 | CAO | S19W50 | |
| 2001/09/13 | 2 | 130 | HSX | S17W64 | |
| 2001/09/14 | 1 | 90 | HAX | S17W79 |
| C | M |
|---|---|
| 2 | 4 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M2.59 | 2001/09/04 | 20:12 | 20:17 | 20:22 | |
| 2 | M1.89 | 2001/09/05 | 19:03 | 19:13 | 19:22 | |
| 3 | M1.29 | 2001/09/04 | 15:12 | 15:53 | 16:30 | |
| 4 | M1.07 | 2001/09/04 | 17:20 | 17:24 | 17:28 | |
| 5 | C5.6 | 2001/09/04 | 11:48 | 11:56 | 12:15 | |
| 6 | C4.77 | 2001/09/08 | 15:26 | 15:32 | 15:44 |
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| Ultimo brillamento X | 2026/04/24 | X2.5 |
| Ultimo brillamento M | 2026/05/17 | M1.4 |
| 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 | 91.4 +12.1 |
| Ultimi 30 giorni | 98.4 +8 |