| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1998/07/22 | 1 | 130 | HKX | S21E75 | |
| 1998/07/23 | 8 | 340 | EKO | S21E63 | |
| 1998/07/24 | 13 | 500 | EKI | S21E54 | |
| 1998/07/25 | 10 | 510 | EHO | S23E40 | |
| 1998/07/26 | 13 | 430 | DHO | S23E27 | |
| 1998/07/27 | 13 | 450 | EHO | S24E14 | |
| 1998/07/28 | 10 | 380 | DHO | S24E02 | |
| 1998/07/29 | 8 | 300 | DHO | S23W11 | |
| 1998/07/30 | 8 | 340 | CHO | S23W24 | |
| 1998/07/31 | 1 | 310 | HHX | S22W41 | |
| 1998/08/01 | 1 | 340 | HHX | S23W54 | |
| 1998/08/02 | 1 | 340 | HHX | S25W68 | |
| 1998/08/03 | 1 | 220 | HHX | S24W81 | |
| 1998/08/04 | 1 | 100 | HSX | S20W97 |
| B | C | M |
|---|---|---|
| 2 | 2 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.07 | 1998/07/24 | 03:11 | 03:38 | 03:58 | |
| 2 | C2.01 | 1998/07/22 | 16:49 | 16:52 | 16:55 | |
| 3 | C1.89 | 1998/07/23 | 15:58 | 16:05 | 16:12 | |
| 4 | B9.27 | 1998/07/26 | 06:16 | 06:20 | 06:22 | |
| 5 | B7.2 | 1998/07/26 | 12:34 | 12:39 | 12:46 |
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| Ultimo brillamento X | 2026/06/03 | X1.0 |
| Ultimo brillamento M | 2026/06/03 | M7.76 |
| 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 | |
|---|---|
| maggio 2026 | 101.4 +22.1 |
| giugno 2026 | 144.3 +42.8 |
| Ultimi 30 giorni | 98.8 +5.2 |