Active aurora band - 30.3.2022 at 23.00 - 31.3.2022 at 03.20 Muonio Observation number 105902

Visibility III / V

Ritva Reinilä

Northern lights were promised, which I then expected to come. Three times I went outside with the camera. Three of these pictures are from the second time, when for a while there were very bright and strongly moving green lights. It looks like the sky is black. These real movers were already in the 31st half of the period between about 01-02.

The last two are from the third time, when it was already much calmer, then purple was also visible in the sky.

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Additional information

Aurora brightness
- Very bright 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.
- Violet auroras
  
  Usually in Lapland or even in the south you can see purple auroras in stronger aurora shows. The most common color in auroras along with green and red.

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Active aurora band - 30.3.2022 at 23.00 - 31.3.2022 at 03.20 Muonio Observation number 105902