| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 1997/09/04 | 4 | 70 | CRO | S28E55 | |
| 1997/09/05 | 7 | 200 | DSO | S27E41 | |
| 1997/09/06 | 11 | 300 | DKO | S27E28 | |
| 1997/09/07 | 11 | 300 | DAO | S27E15 | |
| 1997/09/08 | 14 | 360 | DAI | S28E04 | |
| 1997/09/09 | 19 | 450 | DAI | S28W09 | |
| 1997/09/10 | 15 | 540 | DKO | S28W22 | |
| 1997/09/11 | 19 | 710 | DKO | S28W35 | |
| 1997/09/12 | 11 | 600 | DKO | S28W48 | |
| 1997/09/13 | 12 | 340 | EKO | S27W59 | |
| 1997/09/14 | 7 | 290 | DAO | S28W73 | |
| 1997/09/15 | 1 | 60 | HSX | S27W85 |
| B | C | M |
|---|---|---|
| 2 | 2 | 1 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M1.36 | 1997/09/08 | 19:27 | 19:40 | 19:48 | |
| 2 | C3.94 | 1997/09/14 | 02:50 | 02:55 | 02:58 | |
| 3 | C1.02 | 1997/09/09 | 14:01 | 14:04 | 14:08 | |
| 4 | B8.36 | 1997/09/09 | 13:51 | 13:52 | 13:56 | |
| 5 | B4.09 | 1997/09/04 | 23:13 | 23:16 | 23:18 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/29 | M1.0 |
| Ultima tempesta geomagnetica | 2025/12/22 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| dicembre 2025 | 117.2 +25.4 |
| Ultimi 30 giorni | 117.2 +30.3 |