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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Bright night shining clouds - 26.7.2018 at 00.00 - 26.7.2018 at 02.30 Akaa Observation number 75714

Visibility IV / V

This was definitely the best table setting of the summer so far. There was scope, brightness and great shapes. I didn't like the type of play, I ended up being bright, somewhat missing from the eye-catchers. The middle clouds disturbed the observation a bit, the rest was taken care of by the fatigue that came into the observer's eye, but could not control the two nights.

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Additional information
  • Havainto
    • Night shining clouds
  • Cloud coverage in the sky
    • Covered about half 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.

  • Brightness of the noctilucent clouds
    • Bright night shining clouds
Comments: 2 pcs
Tommi Järvilehto - 26.7.2018 at 17.27 Report this

Hienosti tullut kuviin yksityiskohtia. Mahtavat vypit oli.

Matti Helin - 27.7.2018 at 13.04 Report this

Hieno yö on ollut. Komeat kuvat. 

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