Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  16 CMa)  ·  The star Udra (ο1 CMa
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The Dolphin's head nebula, richard bamfield
The Dolphin's head nebula
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The Dolphin's head nebula

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The Dolphin's head nebula, richard bamfield
The Dolphin's head nebula
Powered byPixInsight

The Dolphin's head nebula

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Description

Sh2-308, also designated as Sharpless 308RCW 11, or LBN 1052,[1] and commonly known as the Dolphin-Head Nebula, is an H II region located near the center of the constellationCanis Major, composed of ionised hydrogen.[2] 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,[3] but some sources indicate that both the star and the nebula are up to 5,870 ly (1,800 pc) away.[4][5] Yet others indicate the nebula is as close as 1,875 ly (575 pc) from Earth. (Wikipedia)

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The Dolphin's head nebula, richard bamfield