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

Ursa Astronomical Association

A fireball at night, as bright as a full moon - 3.8.2017 at 01.15 Lahti Observation number 65788

Visibility V / V


A bright green fireball, the color was very similar to barium-based green pyrotechnics, or ionized copper in an oxygen environment. The fireball disintegrated during the flight and eventually went out of sight, returning again after about a second. The whole event took an estimated 3-5 seconds.



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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?
    • 4 seconds
  • How the flight of the fireball ended?
    • The fireball broke into pieces, which faded away
  • In which direction the fireball disappeared out of sight?
    • Southwest
  • In which altitude the bolide disappeared from your sight?
    • About half way between the horizon and the zenith
  • Brightness of the fireball
    • A fireball at night, as bright as a full moon
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