| Added | Mon, 28/09/2020 |
| Источники | |
| Дата публикации | Mon, 28/09/2020
|
| Версии |
On the evening of September 27, a G2 (medium-level) magnetic storm began on earth. It lasted all night and weakened only by midday on September 28. The source of the magnetic storm was a strong solar wind with a speed of more than 600 km/s.
K-indexes September 27-28:
15–18
18–21
21–00
00–03
03–06
06–09
09–12
Saint-Petersburg
3
3
5
5
5
4
3
Moscow
1
2
5
5
3
3
2
Murmansk
3
4
9
7
7
5
3
A magnetic storm caused auroras.
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