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Nice M46 probably a bit to blue and IMO need more red in the PN but well done
Messier 46 (also known as M 46 or NGC 2437) is an open cluster in the constellation of Puppis. It was discovered by Charles Messier in 1771. Dreyer described it as "very bright, very rich, very large." M46 is about 5,500 light-years away with an estimated age on the order of several 100 million years.The planetary nebula NGC 2438 appears to lie within the cluster near its northern edge but it is most likely unrelated since it does not share the cluster's radial velocity.
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