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Ghost of Jupiter

Eye Nebula, CBS Eye, NGC 3242, PK 261+32.1

Proper NamesGhost of Jupiter, Eye Nebula, CBS Eye
Messier NumberNone
NGC/IC NumberNGC 3242
Other DesignationsPK 261+32.1
ConstellationHydra
Right Ascension10h 24m 48s
Declination-18° 38' 00"
Distancec.1,400 light years
c.430 parsecs
MagnitudeApparent: +8.6
Absolute: -0.9
Mean DiameterApparent: 20' 48"
Actual: 16 light years
Associated Star(s)HD 90255
Optimum VisibilityFebruary
NotesAn immense bubble of material more than a light year in diameter surrounding a white dwarf, the remnant of an ancient supernova. The name 'Ghost of Jupiter' comes from the fact that its apparent diameter in the sky is comparable with that of Jupiter, combined with its translucent appearance.

A ghostly and faint planetary nebula, the remnant of an ancient supernova, lying in the central regions of the constellation Hydra.

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