Contact information

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

Ursa Astronomical Association

Half-sky auroras - 28.2.2019 at 20.40 - 28.2.2019 at 21.00 Ylläsjärvi, Junkanjänkkä Observation number 93686

Visibility IV / V

Yrjö Benson, Ursa (Helsinki)

Large and very bright northern lights. Comes in many colors, including dark green.



More similar observations
Additional information
  • Aurora brightness
    • Very bright auroras
  • Colors with unaided eye and other features
    • Flaming auroras info

      Flaming. This rare subclass of aurora does not mean so much a single shape, but a large area in the sky. In the flaming aurora, bright waves that are sweeping upward towards the magnetic zenith emerge in the sky. Very rarely waves can wipe downwards. Bands are usually reported during flaming, less often spots.

    • Yellow auroras info

      Yellow aurora color that can be seen with naked eye is a rarity that can arise from suitable combinations of green, red, and blue in bright shows.

    • Green auroras info

      Green, seen with the naked eye, is one the most common colors of the aurora. The green color is derived from atomic oxygen.

      Green auroras. Lea Rahtu-Korpela.

      Green auroras. Photo by Juha Ojanperä.

    • White auroras info

      Paljain silmin valkoinen väri näkyy useimmiten himmeissä näytelmissä, kun silmä ei kykene erottamaan mitään varsinaista väriä. Harvoin kirkkaissa näytelmissä valkoinen väri voi myös syntyä sopivista vihreän, punaisen ja sinisen yhdistelmistä.

    • Violet auroras info

      Usually in Lapland or even in the south you can see purple auroras in stronger aurora shows. The most common color in auroras along with green and red.

Technical information

Canon EOS 550D, Tokina AT-X 116 AF Pro DX, 11 mm (cinema equivalent 17.6 mm), ISO 800, f / 2.8, 2 sec.

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