Clearly visible night shining clouds - 27.6.2022 at 00.40 - 27.6.2022 at 02.15 Helsinki Observation number 107388

Visibility III / V

Georg Kieninger

In the beginning, the area covered by the night clouds was indeed small, but it expanded and then moved all the time, still remaining strictly to the north. Figure 1 was taken at 1:20 a.m. when the area was at its widest. Figure 2 is a timelapse of approximately 90 frames over the entire observation period.

Edit: corrected observation time (00.40 instead of 00.14)

This description has been automatically translated from Finnish. Click here to see the original text.

1 2

Additional information

Havainto
- Night shining clouds
Brightness of the noctilucent clouds
- Clearly visible 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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Clearly visible night shining clouds - 27.6.2022 at 00.40 - 27.6.2022 at 02.15 Helsinki Observation number 107388