Hyvin heikkoja yöpilviä - 27.7.2014 at 01.40 Ilmajoki Observation number 28083

Visibility I / V

Esko Lehtiniemi, Lakeuden Ursa

After a break of a couple of nights, more modest illuminating night clouds are visible.

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4 3

Additional information

Havainto
- Night shining clouds
Cloud coverage in the sky
- Covered 1/8 of the sky
Noctilucent clouds
- Waves
  
  Waves of noctilucent clouds are short, close groups of clouds.
  
  Wavy NLC by Jari Luomanen.
  
  NLC waves by Hannu Määttänen.
- 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
- Very dim night shining clouds

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Hyvin heikkoja yöpilviä - 27.7.2014 at 01.40 Ilmajoki Observation number 28083