description Jones 1 Overview
Jones 1 is a planetary nebula located in the constellation Pegasus, discovered by American astronomer Rebecca B. Jones in 1941. The nebula represents the ejected outer layers of a dying star and is classified as a bipolar planetary nebula with a distinctive structure. It has an unusually large apparent diameter compared to most planetary nebulae, though its low surface brightness makes it challenging to observe visually.
Jones 1 is estimated to be approximately 2,300 light-years from Earth and contains ionized gas illuminated by its central white dwarf remnant.
help Jones 1 FAQ
Where is Jones 1 located?
Jones 1 is a very faint planetary nebula in the constellation Pegasus. It is also catalogued as PK 104-29.1, PN G104.2-29.6, and Jn 1.
Who discovered Jones 1?
American astronomer Rebecca B. Jones discovered the nebula in 1941 on photographic plates from Harvard Observatory. The object is named after her.
Why is Jones 1 difficult to see through a telescope?
Jones 1 has very low surface brightness and is commonly listed around 15th magnitude, despite spanning roughly 5 to 6 arcminutes. Its faintness makes it a challenging visual target compared with brighter planetary nebulae such as the Ring Nebula.
Is Jones 1 the same object as Jones-Emberson 1?
No, they are different planetary nebulae. Jones-Emberson 1 is in Lynx and is often called the Headphone Nebula, while Jones 1 is in Pegasus and is also known as PK 104-29.1.
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