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Ursa Astronomical Association

A fireball at night, as bright as a full moon - 14.9.2013 at 01.34 Lahti Observation number 18310

Visibility V / V

Samuli Ikäheimo, Lahden Ursa

I had just parked the car on the street for a night drive when before leaving the car we stayed to talk to something about my girlfriend. Suddenly, in the direction of the street directly in front of us meets low was quite a bright fireball. I pointed towards it in the middle of the sentence and said, "Wow, disappear!" The fireball was surprisingly long lasting because with the exclamation, my girlfriend also had time to notice it. Unfortunately, our location was on a small uphill hill so the rest of the fireball was a mystery as the forest covered the views.

The fireball orbit ran almost directly toward the horizon. The color was between neon green and yellow, the brightness is more difficult to assess with the disturbances of the urban environment. In terms of color brilliance and duration, however, the observation goes to its own tip, but in terms of brightness, I have also seen stronger ones.

Attached is a picture I took immediately after the observation to which I have added a fireball track in memory. The orbit ran approximately at the twins (ends) toward the horizon.

The fireball seems to have been recorded in Artjärvi's camera as well, with the help of which a more detailed analysis of the track is possible:

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Additional information
  • Accuracy of the given observation time?
    • Maximum of 1 minutes difference possible
  • How long time did you see the fireball fly in the sky?
    • 2 seconds
  • How the flight of the fireball ended?
    • The fireball disappeared behind an obstacle (trees, buildings or clouds)
  • In which direction the fireball disappeared out of sight?
    • Northeast
  • In which altitude the bolide disappeared from your sight?
    • Low near the horizon
  • Brightness of the fireball
    • A fireball at night, as bright as a full moon
Comments: 1 pcs
Esko Lyytinen - 14.9.2013 at 13.03 Report this

Tämä näkyy aika monessa kamerassa, omassanikin. Mutta juuri noin kannattaa visuaalihavinto tehdä, eli heti reitti ja kelloaika muistiin mahdollisimman tarkasti !

Oikea ajoituskin pyöristyy juuri havaintoon merkitylle minuutille. Se päättyi noin 10 s ennen kyseistä tasaminuuttia.

Olin itse tähtikuvauspuuhissa noihin aikoihin mutta näkyvyys oli vain päinvastaiseen suuntaan.


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