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Ursa Astronomical Association
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00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

Hyvin heikkoja yöpilviä - 5.6.2021 at 00.15 Järvenpää Observation number 98672

Visibility I / V


The first night clouds? If so, yippee, summer has started again.



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Additional information
  • Havainto
    • Night shining clouds
  • Cloud coverage in the sky
    • Very small area
  • Brightness of the noctilucent clouds
    • Very dim night shining clouds
Comments: 3 pcs
Mikko Peussa - 5.6.2021 at 01.38 Report this

Kyllä niitä siellä nyt on.

Veikko Mäkelä - 5.6.2021 at 01.49 Report this

Melko laajaksi jo kehkeytyi.   Parhaimmillaan himmeitä yöpilviä jopa 60 asteeseen.   Pohjoisen vyö oli jopa keskikirkas (K=3, asteikolla 1-5).

Henrik Heikkinen - 5.6.2021 at 09.51 Report this

Näytti kyllä kirkastuvan ajan kuluessa aika mukavasti 

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