description IC 1747 Overview
A planetary nebula in Cassiopeia with an annular morphology catalogued in the Index Catalogue, lying several thousand light-years distant and exhibiting a moderately hot central star.
help IC 1747 FAQ
What kind of object is IC 1747?
IC 1747 is a planetary nebula in the constellation Cassiopeia. It has an annular, or ring-like, morphology and is associated with a moderately hot central star.
Where is IC 1747 located?
IC 1747 lies in Cassiopeia, a northern constellation. The nebula is several thousand light-years from Earth.
Why is IC 1747 called a planetary nebula?
The term describes a glowing shell of gas expelled by a dying low- or intermediate-mass star. Planetary nebulae are not planets, despite the historical name.
What does the ring shape of IC 1747 show?
Its annular morphology means the nebula appears broadly ring-like. The visible gas is illuminated by radiation from the hot central star left behind after stellar mass loss.
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