The Western Veil Nebula (Gabe Shaughnessy)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 52 Cyg · Filamentary nebula · Lace-work nebula · NGC 6960 · The star 52Cyg · Veil nebula

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The Western Veil Nebula

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The Western Veil Nebula

The Veil nebula is a supernova remnant in the constellation Cygnus about 1500 ly away. The progenitor supernova exploded an estimated 5000-8000 years ago and the full diameter is 3 degrees, giving a size of around 50 ly. The remnant emits radio, infrared, visible light and is also a very bright source of X-rays.

This composite shows the Hydrogen alpha (Ha) and doubly ionized oxygen (OIII) emission of the western portion of the Veil nebula, also known as the Witch's Broom and is close to the bright foreground star 52 Cygni. The emission filaments are thought to be the edge-on view of the thin shell of expanding gas. The entire 3 degree field contains this gas, but it's only in this edge-on view that the shell is visible.

The supernova must've been quite a site to our ancestors. For reference, it's about 4.3x closer than the supernova that left the Crab nebula remnant, M1, in 1054 AD, which had an apparent magnitude of -6.5 at it's peak. For supernovae with the same intrinsic brightness, this would give a 18x increase in brightness, or around 3.2 magnitudes.

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Cloudy Nights
Milwaukee Astronomical Society

Nebulae

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
Astrometry.net job	1167644
PixInsight job	0DWE0R6Z1TF4F4EPXR2SDU2DTHDD8L2M
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	20h47m20s.48
RA (top/left)	20h49m32s.66
RA (top/right)	20h44m49s.12
RA (bottom/right)	20h45m10s.14
RA (bottom/left)	20h49m49s.83

Dec (center)	+30°35′18″.1
Dec (top/left)	+31°17′09″.3
Dec (top/right)	+31°14′04″.4
Dec (bottom/right)	+29°53′17″.3
Dec (bottom/left)	+29°56′20″.10

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The Western Veil Nebula

The Western Veil Nebula

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