The colorful planetary nebula, NGC 2438, formed after the death of a Sun-like star. It appears to lie on the outskirts of the open star cluster, M46 (NGC 2437), when in fact it is in the foreground between us and the star cluster.
from NASA http://www.nasa.gov/image-feature/goddard/2021/hubble-images-colorful-planetary-nebula-ringed-by-hazy-halo
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