description Oyster Nebula Overview
The Oyster Nebula is NGC 1501, a planetary nebula in the constellation Camelopardalis, discovered by William Herschel in 1787. It is modeled as a boiling, tetra-lobed shell of gas surrounding a central white dwarf. The nebula is located at an estimated distance of several thousand light-years and is a target for amateur astronomical observation.
help Oyster Nebula FAQ
What is the Oyster Nebula's astronomical designation?
The Oyster Nebula is NGC 1501, a planetary nebula in the constellation Camelopardalis. It is the glowing shell left after a dying star sheds its outer layers, not a galaxy or an oyster-shaped planet.
Who discovered NGC 1501 and when?
William Herschel discovered it on August 27, 1787. The object was found during Herschel's deep-sky surveys, long before modern space telescopes could resolve its central star.
How far away is the Oyster Nebula?
Distance estimates place NGC 1501 around 1.2 kiloparsecs away, or roughly 4,000 light-years from Earth. The exact value can vary with the measurement method, so several thousand light-years is the safe summary.
Why does NGC 1501 look like a boiling or tetra-lobed shell?
Its gas forms a clumpy, roughly oval shell around a hot central white dwarf, with structure shaped by stellar winds. Images show multiple lobes and bright knots, which helped inspire the Oyster nickname.
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