Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  The star 10 Cas  ·  The star 6 Cas  ·  The star 9 Cas
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Supernova remnant CTB 1 (Abell 85) in Cassiopeia, Dan Kordella
Supernova remnant CTB 1 (Abell 85) in Cassiopeia
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Supernova remnant CTB 1 (Abell 85) in Cassiopeia

Getting plate-solving status, please wait...
Supernova remnant CTB 1 (Abell 85) in Cassiopeia, Dan Kordella
Supernova remnant CTB 1 (Abell 85) in Cassiopeia
Powered byPixInsight

Supernova remnant CTB 1 (Abell 85) in Cassiopeia

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Description

Assuming this is a supernova remnant? *EDIT* It is!! This is SNR G116.9+00.1, also known as CTB 1 and Abell 85. It appeared on the Abell list of Planetary nebula, but was later rejected that list (because it's not a planetary nebula). 

This is an object I noticed in the background of Stellarium but unlabeled as far as I could tell. It is *very* dim, but does show some OIII signal that could probably be pulled out further with more exposures? I wasn't expecting much in OIII so was only going to shoot enough to  add some color to the H-alpha that I'd been pounding away on.

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Revisions

  • Supernova remnant CTB 1 (Abell 85) in Cassiopeia, Dan Kordella
    Original
  • Supernova remnant CTB 1 (Abell 85) in Cassiopeia, Dan Kordella
    B
  • Supernova remnant CTB 1 (Abell 85) in Cassiopeia, Dan Kordella
    C
  • Supernova remnant CTB 1 (Abell 85) in Cassiopeia, Dan Kordella
    D
  • Final
    Supernova remnant CTB 1 (Abell 85) in Cassiopeia, Dan Kordella
    E

B

Description: Starless version -

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C

Description: Final version

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E

Description: Minor boost to contrast

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Supernova remnant CTB 1 (Abell 85) in Cassiopeia, Dan Kordella

In these public groups

NOVAC