Bright night shining clouds - 5.8.2022 at 00.30 - 5.8.2022 at 03.00 Sotkamo, Vuokattti Observation number 108079

• Havainto
• • Night shining clouds
• Brightness of the noctilucent clouds
• • Bright night shining clouds
• Cloud coverage in the sky
• • Covered 1/4 of the sky

• Noctilucent clouds
• • 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.

  • 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.

  • Waves

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

    

    Wavy NLC by Jari Luomanen.

     

    

    NLC waves by Hannu Määttänen.

  • Swirl

    Swirls are curved night shining cloud forms. For example, a single night cloud belt or group of waves may be curved on a clear bend.

    

    The arrow indicates a slight vortex in the night cloud belt. Photo by Joni Tahkoniemi.

    

    Strong swirls in image taken by Veikko Mäkelä.

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