Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Checkmark Nebula  ·  HD168521  ·  HD168569  ·  HD168585  ·  HD168607  ·  HD168625  ·  HD168701  ·  LBN 60  ·  Lobster Nebula  ·  M 17  ·  NGC 6618  ·  Sh2-45  ·  Swan Nebula  ·  omega Nebula
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The Omega Factor, Jeremy Likness
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The Omega Factor, Jeremy Likness
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Description

M17 goes by several different names: Checkmark, Horseshoe, Lobster, Omega and Swan. It is a massive star-forming region that is bright and richly structured. It has a complex structure that is unique due to the almost straight-edged regions of darks and transitions from billowing clouds of molecular gas to long, twisting tendrils.

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The Omega Factor, Jeremy Likness