Clearly visible night shining clouds - 17.8.2015 at 00.10 - 17.8.2015 at 01.00 Kempele Observation number 41142

Visibility III / V

Jarmo Leskinen, Ursa (Pohjois-Suomi)

Shortly after midnight, a small, well-defined and quite bright night cloud area formed over the northern horizon. That cloud area then remained almost unchanged as I watched it until one o'clock.

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

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Additional information

Havainto
- Night shining clouds
Cloud coverage in the sky
- Very small area
Noctilucent clouds
- Waves
  
  Waves of noctilucent clouds are short, close groups of clouds.
  
  Wavy NLC by Jari Luomanen.
  
  NLC waves by Hannu Määttänen.
- 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.
- 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
- Clearly visible night shining clouds

Comments: 3 pcs

Mauri Korpi - 17.8.2015 at 12.43

Kas, näkyikö jo ennen 00.20? Täällä ei ainakaan näkynyt siihen mennessä, mutta olen sitten varmaan ollut liian etelässä. Tuossa "repopanoraamassa" pitäisi näkyä jos olisi ollut. https://www.taivaanvahti.fi/observations/show/41150

Jarmo Leskinen - 17.8.2015 at 13.29

Omista revontulikuvista zoomaillessa näyttäis että pilvet alkavat nousemaan noin 5min yli puolenyön. Paremmin alkoivat näkyä vasta 45min yli puolenyön,

Mauri Korpi - 17.8.2015 at 15.09

OK. kiitti tiedosta. Olisi siis kuitenkin kannattanut sinnitellä pitempään, mutta aina ei jaksa.

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Clearly visible night shining clouds - 17.8.2015 at 00.10 - 17.8.2015 at 01.00 Kempele Observation number 41142