Messier 78 (also NGC 2068), is a reflection nebula in the constellation Orion. The RGB dataset below has 195 color frames of 1 minute each.

There is a very prominent diffraction spike baring the image. It is a bit of a challenge to remove, either manually (Gimp or Photoshop) or with a linear feature attenuation filter (Radon filter).

See this data processed beautifully by TurtleCat here.

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