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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Quiet aurora band - 5.2.2018 at 19.25 Mustasaari, Panike Observation number 70253

Visibility II / V

Timo Alanko, Vaasan Andromeda

In Raippaluoto, which describes zodiac light. 18 degrees below zero! Little did the bright great Milky Way try to disturb the northern lights :)

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Additional information
  • Aurora brightness
    • Dim auroras
  • Colors with unaided eye and other features
    • 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.

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