two-tone galaxy
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by chickweed
I am finding several galaxies that are #two-tone like this one. They have the central core surrounded by a bright disk which is further surrounded by a dim disc. Out of the 900 galaxies that I have classified I have seen 3 like this. I feel that they might be one stage of galaxy evolution or one of the several branches in the evolutionary tree of galaxies.
One of the three had a bar that went out to the edge of the bright disc but no further.
The second had two tight arms which went out to the edge of the dim region.I shall tag future observations of these with #two-tone.
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