Dumbbell Nebula, also known as Apple Core Nebula, Messier 27, M27, NGC 6853 and Diabolo Nebula, is a Planetary Nebula located inside The Vulpecula Constellation. The Apple Core Nebula is located 1227 Light Years from Earth. Diabolo Nebula has a mass of 0.56 Solar Masses and a radius of 1.44 Light Years. Apple Core Nebula was discovered in 1764 by French Astronomer Charles Messier.
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