Contact information

Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

Dim night shining clouds - 24.7.2021 at 02.12 - 24.7.2021 at 03.15 Porvoo, Sondby Observation number 99882

Visibility II / V

Jorma Koski, Ursa (Helsinki)

A small wave area was visible in the lower northeastern sky, which was also eventually covered behind the clouds.



More similar observations
Additional information
  • Havainto
    • Night shining clouds
  • Cloud coverage in the sky
    • Very small area
  • Noctilucent clouds
    • Waves info

      Waves of noctilucent clouds are short, close groups of clouds.

      Wavy NLC by Jari Luomanen.

       

      NLC waves by Hannu Määttänen.

  • Brightness of the noctilucent clouds
    • Dim night shining clouds
Technical information

EXIF: I use UT time on my SLR cameras.

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