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Ursa Astronomical Association

Bright night shining clouds - 30.7.2021 at 00.30 - 30.7.2021 at 02.30 Pori Observation number 100152

Visibility IV / V

Satu Juvonen, Joensuun Seulaset

So far, the only documented night cloud night for me. Great bright shapes, albeit fairly smooth ripples. The big bright belts and gauze became the impression that a fabric that had been left a little wrinkled had been pulled over the cover of the sky.

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Additional information
  • Havainto
    • Night shining clouds
  • Cloud coverage in the sky
    • Covered 1/8 of the sky
  • Noctilucent clouds
    • Waves info

      Waves of noctilucent clouds are short, close groups of clouds.

      Wavy NLC by Jari Luomanen.


      NLC waves by Hannu Määttänen.

    • Band info

      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 info

      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
Comments: 1 pcs
Mikko Peussa - 2.8.2021 at 18.13 Report this

Hienoja kuvia! Alkaakin olla teidän vuoro siellä vähän  pohjoisemmassa.

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