| Numero di macchie solari |
Dimensione | Classe Magn. | Classe Macchia | Posizione | |
|---|---|---|---|---|---|
| 2015/04/05 | 9 | 30 | DAO | S12E40 | |
| 2015/04/06 | 14 | 140 | DAI | S12E28 | |
| 2015/04/07 | 24 | 150 | DAI | S12E16 | |
| 2015/04/08 | 15 | 180 | DAC | S12E02 | |
| 2015/04/09 | 16 | 140 | EAI | S12W13 | |
| 2015/04/10 | 13 | 140 | EAC | S12W25 | |
| 2015/04/11 | 11 | 130 | DAI | S13W39 | |
| 2015/04/12 | 12 | 90 | DAI | S14W50 | |
| 2015/04/13 | 6 | 50 | DAO | S14W64 | |
| 2015/04/14 | 6 | 70 | DAO | S14W78 | |
| 2015/04/15 | 3 | 70 | DAO | S14W92 | |
| 2015/04/16 | 3 | 70 | DAO | S14W0* |
| B | C | M |
|---|---|---|
| 8 | 26 | 2 |
| Inizio | Massimo | Fine | ||||
|---|---|---|---|---|---|---|
| 1 | M2.06 | 2015/04/08 | 14:37 | 14:43 | 14:47 | |
| 2 | M1.14 | 2015/04/10 | 07:57 | 08:03 | 08:06 | |
| 3 | C9.15 | 2015/04/12 | 23:24 | 23:29 | 23:35 | |
| 4 | C8.89 | 2015/04/09 | 18:51 | 19:01 | 19:05 | |
| 5 | C8.49 | 2015/04/09 | 17:13 | 17:29 | 17:38 | |
| 6 | C7.76 | 2015/04/09 | 06:25 | 06:35 | 06:43 | |
| 7 | C6.17 | 2015/04/13 | 04:02 | 04:09 | 04:12 | |
| 8 | C5.63 | 2015/04/12 | 00:24 | 00:29 | 00:32 | |
| 9 | C4.69 | 2015/04/09 | 23:36 | 23:45 | 23:51 | |
| 10 | C4.38 | 2015/04/05 | 20:39 | 21:03 | 21:29 |
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| Ultimo brillamento X | 2025/12/08 | X1.1 |
| Ultimo brillamento M | 2025/12/31 | M7.11 |
| Ultima tempesta geomagnetica | 2026/01/02 | Kp5 (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimo giorno senza macchie | 2022/06/08 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| dicembre 2025 | 124 +32.2 |
| gennaio 2026 | 113.6 -10.4 |
| Ultimi 30 giorni | 107.6 -0.4 |