Contact information

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

Ursa Astronomical Association

Active aurora band - 7.10.2018 at 23.55 Lahti Observation number 78253

Visibility III / V

Ari Laine, Lahden Ursa

There was a possibility of repos in the predictions and then a little tweaking paid off.



More similar observations
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.

  • Observed aurora forms
    • ;Form not identifiable;Rays;Arc
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