Clearly visible night shining clouds - 12.7.2020 at 23.40 Lahti Observation number 91841

Visibility III / V

Samuli Ikäheimo

Alarm report: night clouds. Pictures from the southwest, visible from the south to the almost north.

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Additional information

Havainto
- Night shining clouds
Cloud coverage in the sky
- Covered 5/8 of the sky
Noctilucent clouds
- Waves
  
  Waves of noctilucent clouds are short, close groups of clouds.
  
  Wavy NLC by Jari Luomanen.
  
  NLC waves by Hannu Määttänen.
- Band
  
  Bands of noctilucent clouds are long, stripe like cloudformation.
  
  A single, very bright NLC band. Photo by Mikko Peussa.
  
  On the upper left corner, rising bands are clear on the image. Whereas waves of NLC cover the bottom right side of the image. Photo by Juha Tonttila.
- Veil
  
  The night cloud vail is a vague thin night shining cloud with no clear structure.
  
  Noctilucent cloud veil with one strong belt formation. Image by Veikko Mäkelä.

Brightness of the noctilucent clouds
- Clearly visible night shining clouds

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Clearly visible night shining clouds - 12.7.2020 at 23.40 Lahti Observation number 91841