Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  The star ο1CMa
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Sh2-308 Dolphin Nebula in HOO, Gerald de Beer
Sh2-308 Dolphin Nebula in HOO
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Sh2-308 Dolphin Nebula in HOO

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Sh2-308 Dolphin Nebula in HOO, Gerald de Beer
Sh2-308 Dolphin Nebula in HOO
Powered byPixInsight

Sh2-308 Dolphin Nebula in HOO

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Description

Sh2-308 is an H II region located near the center of the constellation Canis Major, composed of ionised hydrogen. It is about 8 degrees south of Sirius, the brightest star in the night sky. The nebula is bubble-like and surrounds a Wolf–Rayet star named EZ Canis Majoris. This star is in the brief, pre-supernova phase of its stellar evolution. The nebula is about 4,530 light-years (1,389 parsecs) away from Earth but some sources indicate that both the star and the nebula are up to 5,870 light years away. Yet others indicate the nebula is as close as 1,875 light years from Earth.

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Sh2-308 Dolphin Nebula in HOO, Gerald de Beer