Celestial hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  PK172+00.1
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Abell 9, Gary Imm
Abell 9, Gary Imm

Abell 9

Getting plate-solving status, please wait...
Abell 9, Gary Imm
Abell 9, Gary Imm

Abell 9

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Description

This faint elliptical planetary nebula is located 13000 light years away in the constellation of Auriga at a declination of +36 degrees.  The only source on magnitude I could find said it is magnitude 19.

The PN spans 30 arc-seconds in our apparent view.  This corresponds to the standard PN diameter of 2 light years.

Like many PN, the outer rim is stronger in HII while the inner section has some OIII.   A curious dimming of the outer ring occurs at the top.

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