Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  The star 9 Cas

Image of the day 10/06/2022

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    CTB1 - Abell 85 - Supernova remnant (SHO - RGB stars), BrianH
    CTB1 - Abell 85 - Supernova remnant (SHO - RGB stars)
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    CTB1 - Abell 85 - Supernova remnant (SHO - RGB stars)

    Image of the day 10/06/2022

    Getting plate-solving status, please wait...
      CTB1 - Abell 85 - Supernova remnant (SHO - RGB stars), BrianH
      CTB1 - Abell 85 - Supernova remnant (SHO - RGB stars)
      Powered byPixInsight

      CTB1 - Abell 85 - Supernova remnant (SHO - RGB stars)

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      Description

      CTB 1 (Abell 85, SNR G116.9+0.1) is a supernova remnant in the Cassiopeia constellation. It was originally cataloged by George Abell as a planetary nebula. It was later identified by as a supernova remnant by van der Bergh, Marscher and Terzian in 1972. It's approximately 10,000 light-years from Earth and is approximately  100 light years in diameter. (Hailey and Craig, Astrophys. J. 434:635, 1994).

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      CTB1 - Abell 85 - Supernova remnant (SHO - RGB stars), BrianH