Active aurora band - 5.9.2017 at 00.49 - 5.9.2017 at 01.11 Kuusamo, Käylä Observation number 66743

Visibility III / V

Jani Päiväniemi, Ursa (Pohjois-Suomi)

Again a supervised night. I couldn’t get to a good spot, had to shoot along the road and in the backyard. Sometimes there was decent cannon. Timelapse shot 11/23/01/20 https://www.youtube.com/watch?v=v57BcsaUtj4

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11 7

Additional information

Aurora brightness
- Bright auroras
Colors with unaided eye and other features
- Flaming auroras
  
  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.
- Green auroras
  
  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.
- Violet auroras
  
  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.

Observed aurora forms
- ;Veil;Rays;Band;Arc

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Active aurora band - 5.9.2017 at 00.49 - 5.9.2017 at 01.11 Kuusamo, Käylä Observation number 66743