Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  16 omi01 CMa  ·  LBN 1047  ·  LBN 1052  ·  Sh2-308  ·  The star ο1CMa
Sharpless 2-308 (Bicolor palette), Diego Cartes
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Sharpless 2-308 (Bicolor palette)

Sharpless 2-308 (Bicolor palette), Diego Cartes
Powered byPixInsight

Sharpless 2-308 (Bicolor palette)

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Description

Sh2-308, also designated as Sharpless 308, RCW 11, or LBN 1052, 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 (hence its common name, the Cosmic Bubble), surrounding a Wolf–Rayet star named EZ Canis Majoris. This star is in the brief, pre-supernova phase of its stellar evolution. [Wikipedia]

This is the first time i attempt to capture this nebula. Its light is mainly OIII, but HA frames also revealed some nebular clouds in the field. It is a very big target, so it is perfect for small refractors.

Comments

Revisions

    Sharpless 2-308 (Bicolor palette), Diego Cartes
    Original
    Sharpless 2-308 (Bicolor palette), Diego Cartes
    B
    Sharpless 2-308 (Bicolor palette), Diego Cartes
    C
    Sharpless 2-308 (Bicolor palette), Diego Cartes
    D
    Sharpless 2-308 (Bicolor palette), Diego Cartes
    E
    Sharpless 2-308 (Bicolor palette), Diego Cartes
    F
    Sharpless 2-308 (Bicolor palette), Diego Cartes
    G
  • Final
    Sharpless 2-308 (Bicolor palette), Diego Cartes
    H

G

Description: A new reprocess, trying to restore the stars that got blown. I think in this version the gas clouds are more noticeable.

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H

Description: Testing XT plugins

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Sky plot

Sky plot

Histogram

Sharpless 2-308 (Bicolor palette), Diego Cartes