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Ursa Astronomical Association

A fireball at night, brigter than the venus - 12.12.2011 at 01.01 Helsinki, Pukinmäki Observation number 734

Visibility III / V

Esko Lyytinen, Ursa (Helsinki)

The observation is with a fireball camera. Detailed time: 01.01.05

The duration of the automatic detection was 1.9 s.

Ignited in direction 30, at an altitude of +17 degrees and extinguished in 24.5, +6.

There was an early Geminide Fireball in terms of line and angular velocity from here.

The rate of fire of geminids is about 36 km / s, which is about a large cloth for meteorites to fall. Although it is probable that some of the largest fragments of the largest may survive to the ground, perhaps even from here. However, in the final fall, the wind also carries such journeys that it is not worthwhile to go looking for.

The camera is badly skewed after a storm a few days ago. The image is a 2 minute Peak-hold image and the filename time is its end time, UT time.

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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?
    • En osaa sanoa
  • 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, brighter than the Venus
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