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Ursa Astronomical Association
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00130 Helsinki

Ursa Astronomical Association

Bright night shining clouds - 28.7.2020 at 01.28 - 28.7.2020 at 02.48 Mäntyharju Observation number 92371

Visibility IV / V

Rarely bright Nightingales. Climbed from the north quite high. They moved slowly to the west, forming bright belts. Manual camera rotation, causing video jerking. In the end, dimming also in the west and from there those clouds also started to appear.

More similar observations
Additional information
  • Havainto
    • Night shining clouds
  • Cloud coverage in the sky
    • Covered 1/4 of the sky
  • Noctilucent clouds
    • Swirl info

      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.

    • 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.

Technical information

Canon 6D + Tamron sp 17-50 / Kenko x 1.5.

Comments: 2 pcs
Markku Ruonala - 28.7.2020 at 13.20 Report this

On ollut komeet

Eero Karvinen - 29.7.2020 at 15.25 Report this

Komeat aaltomaiset muodostelmat ykköskuvassa!

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