Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  IC 1340  ·  NGC 6960  ·  NGC 6979  ·  NGC 6992  ·  NGC 6995  ·  The star 49Cyg  ·  The star 52Cyg  ·  Veil Nebula
Veil Nebula, Sirius0726
Veil Nebula
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Veil Nebula

Veil Nebula, Sirius0726
Veil Nebula
Powered byPixInsight

Veil Nebula

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Description

The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus.[4]

It constitutes the visible portions of the Cygnus Loop,[5] a supernova remnant, many portions of which have acquired their own individual names and catalogue identifiers. The source supernova was a star 20 times more massive than the Sun, and it exploded between 10,000 and 20,000 years ago.[2] The remnants have since expanded to cover an area of the sky roughly 3 degrees in diameter (about 6 times the diameter, and 36 times the area, of the full Moon).[4] While previous distance estimates have ranged from 1200 to 5800 light-years, a recent determination of 2400 light-years is based on direct astrometric measurements.[2] (The distance estimates affect also the estimates of size and age.)

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Veil Nebula, Sirius0726