Nutwood-Observatroy
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   NUTWOOD

  OBSERVATORY

  

Astro Imaging & Dark Sky Preserve

   IC 5146

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                 The  Cacoon Nebula

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The Cocoon Nebula (IC 5146) cluster is about 4,000 ly away, and the central star that lights it formed about 100,000 years ago; the nebula is about 12 arcmins across, which is equivalent to a span of 15 light years.When viewing IC 5146, dark nebula Barnard 168 (B168) is an inseparable part of the experience, forming a dark lane that surrounds the cluster and projects westward forming the appearance of a trail behind the Cocoon