| Número de manchas solares |
Tamaño | Clase Magn. | Clase Mancha | Ubicación | |
|---|---|---|---|---|---|
| 21/12/2017 | 6 | 70 | CAO | N16E45 | |
| 22/12/2017 | 8 | 70 | DAO | N18E30 | |
| 23/12/2017 | 8 | 70 | DAO | N18E16 | |
| 24/12/2017 | 12 | 90 | DAO | N18E03 | |
| 25/12/2017 | 12 | 160 | EAI | N18W09 | |
| 26/12/2017 | 7 | 100 | EAO | N18W23 | |
| 27/12/2017 | 4 | 30 | CRO | N18W35 | |
| 28/12/2017 | 1 | 10 | AXX | N17W46 |
| B | C |
|---|---|
| 13 | 2 |
| Inicio | Máximo | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C1.17 | 28/12/2017 | 22:25 | 22:29 | 22:33 | |
| 2 | C1.01 | 22/12/2017 | 01:40 | 01:50 | 02:05 | |
| 3 | B6.35 | 22/12/2017 | 02:43 | 02:50 | 03:06 | |
| 4 | B4.39 | 22/12/2017 | 01:11 | 01:15 | 01:17 | |
| 5 | B4.33 | 23/12/2017 | 06:24 | 06:29 | 06:31 | |
| 6 | B4.04 | 20/12/2017 | 18:14 | 18:22 | 18:27 | |
| 7 | B3.92 | 22/12/2017 | 11:36 | 11:40 | 11:44 | |
| 8 | B3.42 | 22/12/2017 | 03:31 | 03:36 | 03:44 | |
| 9 | B3.14 | 22/12/2017 | 02:28 | 02:31 | 02:33 | |
| 10 | B2.02 | 25/12/2017 | 07:11 | 07:16 | 07:28 |
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| Último evento clase X | 04/02/2026 | X4.3 |
| Último evento clase M | 13/02/2026 | M1.0 |
| Últimas tormentas geomagnéticas | 05/02/2026 | Kp5+ (G1) |
| Días sin manchas | |
|---|---|
| Último día sin manchas | 08/06/2022 |
| Promedio de manchas solares mensuales | |
|---|---|
| enero 2026 | 112.6 -11.4 |
| febrero 2026 | 112.1 -0.5 |
| Last 30 days | 128.7 +30.6 |