Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  The star ο1CMa
SH2-308 Gourd Nebula, Adam Joyce
SH2-308 Gourd Nebula
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SH2-308 Gourd Nebula

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)
SH2-308 Gourd Nebula, Adam Joyce
SH2-308 Gourd Nebula
Powered byPixInsight

SH2-308 Gourd Nebula

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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Description

Sh2-308, also designated as Sharpless 308, RCW 11, or LBN 1052, is an emission nebula and HII 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, surrounding 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 ly (1,800 pc) away. Yet others indicate the nebula is as close as 1,875 ly (575 pc) from Earth.

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SH2-308 Gourd Nebula, Adam Joyce