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You can spot the Cocoon Nebula through a 4-inch telescope as a circular blur. Its light equals that of a 7th-magnitude star, but the nebula’s surface brightness is low.
What it shows is the famed Cocoon Nebula, also called IC 5146. What you’re seeing is actually a cluster of young stars called Collinder 470, which is roughly 2,500 light-years away.
The Cocoon Nebula is both a reflection nebula and an emission nebula, Hancock wrote in an email to Space.com, meaning it reflects the light of nearby stars and shines with its own light.
This spectacular image shows the Cocoon Nebula, IC5146, in Cygnus. The blue reflection nebula below the Cocoon is Van den Bergh 147.
Runner-Up: Logan Carpenter – Cocoon Nebula Carpenter’s precise image of the Cocoon Nebula’s comet-like tail, set against a backdrop of hydrogen alpha, secured him second place in this category.
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The star seems to be using these jets to carve out the butterfly-like structures from its cocoon, which are so prominent during the later planetary nebula phase.
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(CNN) -- A newly released image from the Hubble Space Telescope reveals unprecedented detail within a rare astronomical "butterfly." The intriguing proto-planetary nebula CRL 618 is changing so ...