Celestial hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  HD59309  ·  PK205+14.1  ·  Sh2-274
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SH2-274/Abell21, The Medusa Nebula, Chris Plonski
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SH2-274/Abell21, The Medusa Nebula

Getting plate-solving status, please wait...
SH2-274/Abell21, The Medusa Nebula, Chris Plonski
Powered byPixInsight

SH2-274/Abell21, The Medusa Nebula

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Description

SH2-274 also designated as Abell 21 is a planetary nebula in Gemini located 1500 light years away has expanded to about 4 light years in diameter. Its braided filaments are said by some to resemble the serpents making up Medusa's hair. The blue dwarf that remains from when the red giant expelled its outer atmosphere can still be seen near the center of the crescent.

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