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

Ursa Astronomical Association

Clearly visible night shining clouds - 14.7.2013 at 00.48 - 14.7.2013 at 01.30 Hausjärvi Observation number 16063

Visibility III / V


Conditions in Hausjärvi were difficult. The northwest-north direction was hazy and the night clouds were very faintly visible. In the northeast-east direction, there were lower cloud ferries as an obstacle. However, there was such a clear and bright line over the zenith that I considered it flying. The van was relatively straight at first, but then began to curve and widen, but still quite slowly. However, for the sake of certainty, I took a couple of pictures at 0:48 and 1:19. Would I have happened to be directly under the Helsinki cloud worm?



More similar observations
Additional information
  • Cloud coverage in the sky
    • Covered 1/4 of the sky
  • Havainto
    • Night shining clouds
  • Noctilucent clouds
    • Band info

      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 info

      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: 2 pcs
Veikko Mäkelä - 14.7.2013 at 23.01 Report this

Jos tuo yöpilvipyörre (IVc) olisi ollut Helsingistä katsoen, sanotanako vaikka 50 asteen korkeudella, niin aiemmin viittaamani yöpilvioppaan taulukon perusteella etäisyys yöpilveen olisi ollut 70 km.  Lienee aika hyvin Hausjärven etäisyydellä?

 

Pentti Arpalahti - 14.7.2013 at 23.38 Report this

Jep. Menee ihan nappiin. Havaintopaikka oli n. 7 km Hausjärveltä pohjoiseen. Kesän erikoisimman pilven sijasta sitten käytin havaintoajasta suurimman osan suttuisen horisontin tuijottamiseen. Vanha niska ei taivu enää niin hyvin zeniittiin.  

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