Active aurora band - 15.1.2022 at 22.00 - 16.1.2022 at 00.00 Järvenpää Observation number 103901

Visibility III / V

Eemil Pietilä, Ursa (Etelä-Suomi)

I missed the northern lights the night before, so I decided to put the gopro on duty the next night. Well, it was worth it. When I checked the camera from time to time, I also saw the first northern lights of my life with the naked eye. After the video, there are a couple of pictures of what I think are the best parts of the video.

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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.
- Streaming auroras
  
  Streaming. In streaming aurora fast irregular variations in brightness occur along the horizontal dimension of homogeneous shapes.

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Active aurora band - 15.1.2022 at 22.00 - 16.1.2022 at 00.00 Järvenpää Observation number 103901