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

Ursa Astronomical Association

A fireball in a twilight sky - 9.1.2018 at 08.10 Oulu Observation number 69429

Visibility IV / V

Not visible

Behind the cloud curtain (the whole sky was cloudy) was a large blue light rushing down. The beginning and the end were clear. as well as a clearly visible tail. The eye-catchingly large, like the moon or bigger, flight was short but the light was strong even through the clouds.



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Additional information
  • Accuracy of the given observation time?
    • 5 min difference possible
  • How long time did you see the fireball fly in the sky?
    • 3 seconds
  • How the flight of the fireball ended?
    • The fireball disappeared suddenly
  • In which altitude the bolide disappeared from your sight?
    • About 1/3 from the horizon towards the zenith
  • Brightness of the fireball
    • A fireball in a twilight sky
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