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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 - 22.9.2021 at 06.55 Vantaa Observation number 101395

Visibility IV / V

Not visible

On a morning walk in the dawn of the sun, a bright fireball flew above my head, "dropped" straight towards the horizon and in a northeasterly direction. Brightened and greened towards the end.



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