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Contact information

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

Ursa Astronomical Association

Light pillars - 18.1.2014 at 17.27 Pirkkala Observation number 21692

Visibility II / V


The strong lights of the Pirkkala sports field created three bright light pillars in the air. Frost eventually took the victory off the graph by freezing the battery.


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

Canon EOS 1000D, EF with 40mm f / 2.8 STM lens, 1s shutter speed, f2.8 aperture, ISO 100.

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