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Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

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Quiet aurora arc

18.9.2021 at 00.13 - 00.22 - Elva, Viro (II)
Villem Ehasalu

For a long time, a decent northern lights were visible in southern Estonia. The fires began to appear shortly before midnight as the clouds gradually began to dissipate. The arc gradually brightened, and was at its brightest about 15 min after midnight. The fires reached above Otava at best. Fairly bright rays were visible for less than ten minutes. For a long time, a few green spots clearly above the arc of northern lights were visible. In the west, there was a possible SAR arc. It was not visible to the naked eye, but the images show a faint reddish arch to the west. Pictures taken with the ...

Images: 6 pcs • Comments: 1 pcs

Search result contains observations from time period 1.1.2000 klo 00.00 - 3.12.2021 klo 20.48.