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English

In three dimensions, the nebula is thought to be shaped either like an oblate spheroid (estimated as 1,380 pc/4,500 ly away) or a prolate spheroid (estimated as 2,020 pc/6,600 ly away).[3] The filaments are the remnants of the progenitor star's atmosphere, and consist largely of ionised helium and hydrogen, along with carbon, oxygen, nitrogen, iron, neon and sulfur.

Spanish

Los filamentos son los restos de la atmósfera de la estrella progenitora, y están constituidos principalmente de helio e hidrógeno ionizado, junto con carbón, oxígeno, nitrógeno, hierro, neón y azufre.