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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Binocular comet LINEAR - 12.4.2016 at 02.40 Helsinki, Maunula Observation number 51429

Visibility II / V

Jorma Ryske, Etelä-Suomen kosmol. seura

The comet 252P / LINEAR was in the constellation of the Serpent Bearer in the morning sky. The brighter star in the picture below the comet is HD159052 / SAO122485 magnitude 7.88, the comet is slightly brighter than this. In addition to the circular Koma / halo of about 20 'diameter, the figure shows the tail very weakly 2' to the west. Helsinki's light pollution and the lighting of the Tuusula motorway 350m below a comet at a low altitude of about 20 degrees challenged image processing.

#kaasupyrstö 3 'PA 265 °

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Additional information
  • Observation target
    • Comet
  • Name of the observation target
    • 252P/LINEAR
    • Heikosti näkyvä
  • Brightness in magnitudes
    • 7,0
  • Tail length
  • 3 arc minutes
  • Coma diameter
  • 25 kaariminuuttia
  • Title for the comet
    • Binocular comet
Technical information

SW 20cm / F4, Atik314L +, MPCC, CEM60, no filters. Exposures 8x200s from 02:40. FOV 38'x28 ', north ~ upper, east left.

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