| Кол-во пятен | Размер | Класс пятна по магнитуде | Класс пятна по системе Zürich/Macintosh | Координаты | |
|---|---|---|---|---|---|
| 11/12/1998 | 5 | 10 | BXO | S18E27 | |
| 12/12/1998 | 10 | 20 | BXO | S18E15 | |
| 13/12/1998 | 19 | 90 | DSO | S18E01 | |
| 14/12/1998 | 19 | 190 | DAO | S18W13 | |
| 15/12/1998 | 18 | 250 | DAO | S19W28 | |
| 16/12/1998 | 11 | 270 | DAO | S18W40 | |
| 17/12/1998 | 12 | 220 | DAO | S17W53 | |
| 18/12/1998 | 6 | 180 | DSO | S17W65 | |
| 19/12/1998 | 3 | 120 | DAO | S17W79 | |
| 20/12/1998 | 2 | 40 | HRX | S18W91 |
| C | M |
|---|---|
| 9 | 2 |
| Начало | Максимум | Конец | ||||
|---|---|---|---|---|---|---|
| 1 | M1.06 | 14/12/1998 | 09:38 | 09:44 | 09:48 | |
| 2 | M1 | 14/12/1998 | 00:01 | 00:10 | 00:12 | |
| 3 | C6.54 | 17/12/1998 | 18:09 | 18:15 | 18:37 | |
| 4 | C5.39 | 13/12/1998 | 10:30 | 10:35 | 10:41 | |
| 5 | C4.86 | 11/12/1998 | 17:39 | 17:49 | 17:58 | |
| 6 | C4.04 | 13/12/1998 | 20:37 | 20:43 | 20:52 | |
| 7 | C2.03 | 10/12/1998 | 07:43 | 08:08 | 08:19 | |
| 8 | C2 | 13/12/1998 | 04:30 | 04:36 | 04:45 | |
| 9 | C1.87 | 11/12/1998 | 11:41 | 11:49 | 11:56 | |
| 10 | C1.32 | 17/12/1998 | 02:10 | 02:15 | 02:20 |
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| Последняя X-вспышка | 24/04/2026 | X2.5 |
| Последняя M-вспышка | 22/05/2026 | M2.3 |
| Последняя геомагнитная буря | 16/05/2026 | Kp6- (G2) |
| Безупречные дни | |
|---|---|
| Последние 365 дней | 3 дней |
| 2026 | 3 дней (2%) |
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| Среднемесячное количество солнечных пятен | |
|---|---|
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| Последние 30 дней | 97.1 +4.3 |