7./8.6.2012 First noctilucent clouds of the season!

Observed phenomena: Noctilucent clouds
Observed NLC forms:

  • I (Veil)
  • IIb (Bands with sharply defined edged)
  • IIIa (Short, straight and narrow streaks)
  • IVb (Simple curve(s) with angular radius of 3 – 5 degrees)

Brightness of the NLCs: 2 (clearly detected, but having low brightness)
Colour of the NLCs: pale blue
Areal extent of the NLCs: 1/4 of the sky

Date: 7./8.6.2012
Time: 01:00-02:10
Observing place: Turku, Finland
Observing method: Photography
Technical information about photographing equipment: Canon EOS 1000D

The first NLC’s of the season! This display was a small-scale one, and the NLC’s were rather faint, although clearly visible. While observing NLC’s, I observed also a Moon pillar.


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