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Skywarden,
Ursa Astronomical Association
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00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

Bright night shining clouds - 5.7.2021 at 01.31 - 5.7.2021 at 01.47 Espoo Observation number 99343

Visibility IV / V

Mika Yrjölä, Ursa (Etelä-Suomi)

Even before midnight, I noticed signs of night clouds illuminating the sky as I glanced out of the balcony. Sadly, though, I was “stuck” at home until about one and only then could I collect the filming needs and find a suitable location and it seemed like the best part of the screen was already starting to be behind, even though the filthy electric glow still covered most of the sky.

But these still looked pretty good after reaching the seashore, and a couple of nice shots were recovered despite the mosquitoes (an almost hot summer night without wind was a bit of a strenuous combination; you had to choose between sweating and being protected from mosquitoes).



More similar observations
Additional information
  • Havainto
    • Night shining clouds
  • Cloud coverage in the sky
    • Covered 3/4 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
    • Bright night shining clouds
Technical information

Canon 5D mk IV, 16-35mm f / 4L @ 16mm. Convert from raw images appropriately by testing Darktable version 3.6.0 released the previous day.

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