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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Binocular comet Catalina - 27.12.2015 at 04.40 Helsinki, Pukinmäki Observation number 46555

Visibility II / V

Esko Lyytinen, Ursa (Helsinki)

For the first time, I only noticed this. It just hasn’t been clear in the morning.

Intense light pollution on the spot and almost a full moon in the sky.

Stood out with 20x80 binoculars with no problems and 8x42 binoculars just when you knew the exact location.

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Additional information
  • Observation target
    • Comet
  • Name of the observation target
    • C/2013 US10 (Catalina)
    • Heikosti näkyvä
  • Visibility of the comet
    • Binocular comet
Technical information

The picture was taken with a Canon EOS 6D camera and a 135mm F3.5 lens with ISO 6400, a fixed tripod and stacked with 62 1.6-second exposures with DSS (dark and flat included).

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