| Кол-во пятен | Размер | Класс пятна по магнитуде | Класс пятна по системе Zürich/Macintosh | Координаты | |
|---|---|---|---|---|---|
| 18/12/1998 | 5 | 10 | BXO | N19E72 | |
| 19/12/1998 | 11 | 190 | EAI | N19E61 | |
| 20/12/1998 | 18 | 270 | EAI | N20E49 | |
| 21/12/1998 | 16 | 170 | EAI | N20E36 | |
| 22/12/1998 | 17 | 130 | EAO | N20E23 | |
| 23/12/1998 | 16 | 70 | CAO | N20E11 | |
| 24/12/1998 | 11 | 40 | CRO | N22W02 | |
| 25/12/1998 | 5 | 10 | BXO | N23W12 | |
| 27/12/1998 | 1 | 0 | AXX | N20W40 | |
| 28/12/1998 | 1 | 0 | AXX | N16W49 |
| B | C | M | X |
|---|---|---|---|
| 1 | 12 | 2 | 1 |
| Начало | Максимум | Конец | ||||
|---|---|---|---|---|---|---|
| 1 | X1.15 | 18/12/1998 | 17:13 | 17:22 | 17:27 | |
| 2 | M2.63 | 20/12/1998 | 08:49 | 09:00 | 09:03 | |
| 3 | M1.19 | 17/12/1998 | 22:58 | 23:06 | 23:10 | |
| 4 | C7.97 | 19/12/1998 | 23:11 | 23:24 | 23:29 | |
| 5 | C6.39 | 19/12/1998 | 14:26 | 14:36 | 14:41 | |
| 6 | C5 | 20/12/1998 | 05:07 | 05:14 | 05:21 | |
| 7 | C4.97 | 18/12/1998 | 07:42 | 07:50 | 07:58 | |
| 8 | C4.94 | 18/12/1998 | 05:14 | 05:27 | 05:30 | |
| 9 | C4.57 | 18/12/1998 | 03:02 | 03:07 | 03:11 | |
| 10 | C3.6 | 18/12/1998 | 03:43 | 03:48 | 03:51 |
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| Последняя X-вспышка | 08/12/2025 | X1.1 |
| Последняя M-вспышка | 31/12/2025 | M7.11 |
| Последняя геомагнитная буря | 10/01/2026 | Kp6 (G2) |
| Безупречные дни | |
|---|---|
| Последний безупречный день | 08/06/2022 |
| Среднемесячное количество солнечных пятен | |
|---|---|
| декабря 2025 | 124 +32.2 |
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