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    Ghost of Jupiter (NGC 3242)

    A planetary nebula in the constellation Hydra, just south of Mu Hydrae. Although round and similar in apparent size to Jupiter, it is much dimmer and an unmistakable blue-green in color. Even a small telescope will show it well; larger instruments reveal its inner torus and central star.


    visual magnitude 9
    angular diameter 20.8'
    distance ~3,000 light-years (920 pc)
    position R.A. 10h 24m 46s,
    Dec. -18° 38' 33"
    other designations ESO 568- 5, GC 14298,
    HD 90255, PN G261.0+32.0


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       • NEBULAE AND STAR CLUSTERS





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