Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  The star ο1CMa
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SH2-308 Dolphin Head Nebula, Dean Glace
SH2-308 Dolphin Head Nebula
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SH2-308 Dolphin Head Nebula

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SH2-308 Dolphin Head Nebula, Dean Glace
SH2-308 Dolphin Head Nebula
Powered byPixInsight

SH2-308 Dolphin Head Nebula

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Description

This is an image of SH2-308, also known as the Dolphin Head Nebula. It is a huge bubble of mostly ionized oxygen gas about 5,200 light years away in the constellation Canis Major. It is formed by the strong solar winds of a Wolf-Rayet star near the center of the nebula. Wolf-Rayet stars are about 20 times the mass of the sun and are thought to be in the pre-supernova stage of star evolution. The nebula spans an area about the size of the full moon and is about 60 light years in diameter.

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SH2-308 Dolphin Head Nebula, Dean Glace