Dim night shining clouds - 6.8.2022 at 00.35 - 6.8.2022 at 01.15 Helsinki Observation number 108098

Visibility II / V

Pentti Arpalahti

At midnight I checked the north and northeast: nothing. The first cautious promise was in the north at 0:22. Actual sighting in the north at 0:35. The Vypi gained altitude by a few degrees at 0:50. A belt appeared in the northwest at 0:58. After all, a statistical case would have been obtained by taking a rasp from the window at 1:15. The upper edge of the night clouds reached approx. 5 degrees. These are the last shows of the season here.

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Additional information

Havainto
- Night shining clouds
Brightness of the noctilucent clouds
- Dim night shining clouds
Cloud coverage in the sky
- Very small area

Noctilucent clouds
- 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.
- Waves
  
  Waves of noctilucent clouds are short, close groups of clouds.
  
  Wavy NLC by Jari Luomanen.
  
  NLC waves by Hannu Määttänen.

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Dim night shining clouds - 6.8.2022 at 00.35 - 6.8.2022 at 01.15 Helsinki Observation number 108098