Planetary Nebulae
24 entries in the Planetary Nebulae compendium.
Planetary nebulaExpanding shells of ionized gas from dying intermediate-mass stars.Cat's Eye NebulaFirst planetary nebula shown to be gaseous via spectroscopy.Cometary knotIonized photoevaporation flows in nearby planetary nebulae.DdDm 1The only known oxygen-rich halo planetary nebula.Dumbbell NebulaFirst discovered planetary nebula, in Vulpecula, visible in binoculars.Engraved Hourglass NebulaA young planetary nebula with an hourglass shape in Musca.Eskimo NebulaA bipolar double-shell planetary nebula in Gemini.ETHOS 1A high-latitude planetary nebula with fast polar jets and a massive central star.Exposed Cranium nebulaA brain-like nebula with a dark vertical lane.Fleming 1A planetary nebula with a binary white dwarf core.Helix NebulaA nearby planetary nebula with cometary knots and a helix shape.HuBi 1A rare born-again planetary nebula with a fading central star.Humason 1-2Bipolar hourglass nebula with high-velocity knots and uncertain distance.Humason 2-1Bipolar planetary nebula discovered by Milton Lassel Humason in 1992.IC 418A bright planetary nebula with a spirograph-like pattern.IC 1266Planetary nebula where fullerenes C60 and C70 were first found.IC 4593A planetary nebula with a hot white dwarf and million-degree gas bubbles.IC 5217Bipolar planetary nebula in Lacerta with a Wolf–Rayet central star.Jonckheere 900Bipolar nebula misidentified as double star, rich in noble-gas lines.Ka LMC 1A faint, nitrogen-rich planetary nebula in the LMC's NGC 1866.KjPn 8Largest known bipolar planetary nebula with episodic precessing jets.Little Dumbbell NebulaA bipolar planetary nebula in Perseus, discovered by Méchain in 1780.Little Ghost NebulaA faint, round planetary nebula in Ophiuchus.LoTr 1Bubble-shaped elliptical nebula with a binary central star system.
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