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Ursa Astronomical Association
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taivaanvahti(at)ursa.fi

Ursa Astronomical Association

Clearly visible night shining clouds - 24.7.2021 at 01.15 - 24.7.2021 at 02.40 Juva Observation number 99883

Visibility III / V

Petri Martikainen, Ursa (Itä-Suomi)

Last night night clouds. The clouds only emerged after one and appeared fairly low between the northeast and the northwest. Main picture at 2:17, picture 2 at 2:38.



More similar observations
Additional information
  • Havainto
    • Night shining clouds
  • Cloud coverage in the sky
    • Covered 1/4 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
    • Clearly visible night shining clouds
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