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

Visibility IV / V

Markku Ruonala

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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17 16

Additional information

Havainto
- Night shining clouds
Cloud coverage in the sky
- Covered about half of the sky
Noctilucent clouds
- 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.
- Waves
  
  Waves of noctilucent clouds are short, close groups of clouds.
  
  Wavy NLC by Jari Luomanen.
  
  NLC waves by Hannu Määttänen.
- 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.
- 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.

Brightness of the noctilucent clouds
- Bright night shining clouds

Comments: 2 pcs

Tommi Järvilehto - 26.7.2018 at 17.27

Hienosti tullut kuviin yksityiskohtia. Mahtavat vypit oli.

Matti Helin - 27.7.2018 at 13.04

Hieno yö on ollut. Komeat kuvat.

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