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Ursa Astronomical Association
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Ursa Astronomical Association

Diffuse glow - 15.8.2015 at 23.46 - 15.8.2015 at 23.46 Espoo Observation number 40989

Visibility I / V

Antti Kuntsi, Kirkkonummen komeetta

In the light sky, a green gauze just barely visible to the naked eye, a few bright knots.

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Additional information
  • Aurora brightness
    • Very 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.

  • Observed aurora forms
    • ;Form not identifiable;Veil
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