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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Telescopic comet Catalina - 5.10.2016 at 21.50 Helsinki, Maunula Observation number 57742

Visibility I / V

Jorma Ryske, Etelä-Suomen kosmol. seura

Farewell Catalina. Comet C / 2013 US10 (Catalina) was a great binoculars of magnitude 6..8 from 12/2015 to 04/2016, presenting its multi-degree tails at best. Now Catalina has moved away from the sun and is already 4.2 AU away from Earth in the Driver's constellation. In the 60-minute images below, Catalina is no longer distinguished by a dim coma of about 15 magnitude with a diameter of 20 ". One image is stacked according to the stars and the other according to the comet.

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Additional information
  • Observation target
    • Comet
  • Name of the observation target
    • C/2013 US10 (Catalina)
    • Erittäin heikosti näkyvä
  • Brightness in magnitudes
    • 15
  • Coma diameter
  • 20 kaarisekuntia
  • Title for the comet
    • Telescopic comet
Technical information

SW 200mm / F4, Atik314L +, MPCC, no filters. Exposures 41x90s from October 5, 2016 at 9:50 PM EEST. FOV 38'x28 ', north ~ upper, east left.

Comments: 1 pcs
Matti Helin - 8.10.2016 at 08.03 Report this

Hieno havainto. Minnekköhän tuokin mahtaa päätyä... 

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