Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  HD224403  ·  HD224669  ·  HD224892  ·  LBN 576
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CTB1/ Abell 85 - Faint Super Nova Remnant in Cassiopeia (SHO/RGB), Robert Shepherd
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CTB1/ Abell 85 - Faint Super Nova Remnant in Cassiopeia (SHO/RGB)

Getting plate-solving status, please wait...
CTB1/ Abell 85 - Faint Super Nova Remnant in Cassiopeia (SHO/RGB), Robert Shepherd
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CTB1/ Abell 85 - Faint Super Nova Remnant in Cassiopeia (SHO/RGB)

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Description

CTB 1 is a super nova remnant in Cassiopeia. This target is quite faint and I was pleased to find, many long exposures revealed O3 and S2 along with the stronger Ha.
I used a modified SHO pallet to achieve a HOO look with a touch of orange in the highlights, where S2 can be found.
As always I used RGB stars to bring in a bit more interesting variation in the colour palette.

C&C welcome

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Sky plot

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CTB1/ Abell 85 - Faint Super Nova Remnant in Cassiopeia (SHO/RGB), Robert Shepherd