| Кол-во пятен | Размер | Класс пятна по магнитуде | Класс пятна по системе Zürich/Macintosh | Координаты | |
|---|---|---|---|---|---|
| 17/04/1999 | 4 | 20 | BXO | N20W21 | |
| 18/04/1999 | 3 | 30 | CSO | N22W36 | |
| 19/04/1999 | 6 | 30 | CRO | N22W51 | |
| 20/04/1999 | 5 | 70 | DSO | N22W63 | |
| 21/04/1999 | 3 | 100 | DSO | N22W77 | |
| 22/04/1999 | 1 | 40 | HSX | N24W88 |
| B | C |
|---|---|
| 3 | 1 |
| Начало | Максимум | Конец | ||||
|---|---|---|---|---|---|---|
| 1 | C1.1 | 18/04/1999 | 21:12 | 21:19 | 21:23 | |
| 2 | B8.36 | 21/04/1999 | 00:19 | 00:22 | 00:27 | |
| 3 | B6.76 | 21/04/1999 | 16:46 | 16:50 | 16:52 | |
| 4 | B5.23 | 21/04/1999 | 06:02 | 06:05 | 06:07 |
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| Последняя X-вспышка | 24/04/2026 | X2.5 |
| Последняя M-вспышка | 10/05/2026 | M5.7 |
| Последняя геомагнитная буря | 05/05/2026 | Kp5 (G1) |
| Безупречные дни | |
|---|---|
| Последние 365 дней | 3 дней |
| 2026 | 3 дней (2%) |
| Последний безупречный день | 24/02/2026 |
| Среднемесячное количество солнечных пятен | |
|---|---|
| апреля 2026 | 79.3 -6.6 |
| мая 2026 | 110 +30.7 |
| Последние 30 дней | 95.8 -0.1 |