Half-sky auroras - 16.3.2023 at 01.00 Eura Observation number 113456

Visibility IV / V

Not visible

One of my dreams finally came true. A little bad picture, but fine for me

Get to photograph the Aurora Borealis in the constellation Otava. :)

Edit: Added one picture with a dark spot in the corona. This picture makes me cringe

about the phenomenon.

This description has been automatically translated from Finnish. Click here to see the original text.

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Additional information

Aurora brightness
- Bright auroras
Observed aurora forms
- Corona
  
  CoronaA corona is a hand fan shaped structure, it usually forms south of the observer's zenith, most commonly consisting of rays or bands. The corona is usually the most beautiful part of the aurora show. It is bright and active, but on the other hand also short-lived.
  
  Aurora corona. Photo by Anna-Liisa Sarajärvi.
  
  Aurora corona. Photo by Merja Ruotsalainen.
  
  Corona formed from bands. Photo by Markku Ruonala.
  
  Aurora corona. Photo by Tapio Koski.

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.

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Half-sky auroras - 16.3.2023 at 01.00 Eura Observation number 113456