Bright night shining clouds - 10.8.2021 at 22.50 - 11.8.2021 at 00.14 Lapua Observation number 100405

Visibility IV / V

Antti Rinne, Ursa (Länsi-Suomi)

I noticed the night clouds in the light sky even before eleven. As the twilight progressed, the area where the night clouds were visible decreased, but at the same time the brightness increased. The pictures now do not completely give justice, to the naked eye was very showy.

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Additional information

Havainto
- Night shining clouds
Cloud coverage in the sky
- Covered 1/8 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
- Bright night shining clouds

Technical information

Samsung Galaxy S8

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Bright night shining clouds - 10.8.2021 at 22.50 - 11.8.2021 at 00.14 Lapua Observation number 100405