Clearly visible night shining clouds - 15.7.2021 at 01.09 Espoo Observation number 99592

Visibility III / V

Mika Yrjölä, Ursa (Etelä-Suomi)

Last night's bonus balance; after spotting for a long time, the ISS also had to click on the night cloud image. There were clouds in a clearly wider area of the sky, but I depicted the brightest formation.

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Additional information

Havainto
- Night shining clouds
Cloud coverage in the sky
- Covered 3/8 of the sky
Noctilucent clouds
- 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 - 15.7.2021 at 01.09 Espoo Observation number 99592