Quiet aurora band - 29.10.2019 at 19.30 Mustasaari Observation number 86255

Visibility II / V

Marko Takala, Vaasan Andromeda

A peaceful northern lights belt on Mustasaari. The starry sky stood out from the holiday of the clouds, as well as a calm northern lights belt. At the same time testing new optics.

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13 10

Additional information

Aurora brightness
- Dim auroras
Observed aurora forms
- Band
  
  Bands are usually narrower, more twisty at the bottom, brighter, and more active than arches. Bands usually develop from arches.
  
  Bands can form J and U shapes, sometimes even full spirals. The corona can also arise from bands. Bands are a fairly common form of aurora.
  
  Aurora band. Photo by Merja Ruotsalainen.
  
  Aurora band. Photo by Matias Takala.
  
  Aurora band. Photo by Lea Rahtu-Korpela.
  
  Aurora bands. Photo by Lauri Koivuluoma.
  
  Aurora band. Photo by Matias Takala.

Colors with unaided eye and other features
- 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.

Technical information

Canon 5D mk iii & Canon EF 16-35 / 2.8 II

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Quiet aurora band - 29.10.2019 at 19.30 Mustasaari Observation number 86255