Contact information

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

Ursa Astronomical Association

Light pillars - 5.12.2012 at 02.52 Helsinki, Pukinmäki Observation number 9383

Visibility II / V

Esko Lyytinen, Ursa (Helsinki)

The fireball camera showed up on several occasions throughout the night. The first appeared shortly before 1 a.m. and the last after 7 p.m. I attach two images of the strongest phase in the regions of 3. Image filename time UT time. In relation to the brightest light shining towards it, close reflections are seen from the individual ice crystals.


Additional information
  • The halo was caused by lightsource:
    • Artificial light source
  • Where are the ice crystals of the halo located?
    • Ice crystals
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