Credit & Copyright: Rogelio Bernal
Andreo (Deep Sky Colors)
Explanation:
The constellation of Orion holds much more than three stars in a row. A deep
exposure shows everything from dark nebula to star clusters, all imbedded in an
extended patch of gaseous wisps in the greater Orion Molecular Cloud Complex.
The brightest three stars on the far left are indeed the famous three stars
that make up the belt of Orion. Just below Alnitak, the lowest of the three
belt stars, is the Flame Nebula, glowing with excited hydrogen gas and immersed
in filaments of dark brown dust. Below the frame center and just to the right
of Alnitak lies the Horsehead Nebula, a dark indentation of dense dust that has
perhaps the most recognized nebular shapes on the sky. On the upper right lies
M42, the Orion Nebula, an energetic caldron of tumultuous gas, visible to the
unaided eye, that is giving birth to a new open cluster of stars. Immediately
to the left of M42 is a prominent bluish reflection nebula sometimes called the
Running Man that houses many bright blue stars. The above image, a digitally
stitched composite taken over several nights, covers an area with objects that
are roughly 1,500 light years away and spans about 75 light years.
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