The Barnard's Loop and the Heart of Orion in SHO (Cfosterstars)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 1 Mon · 2 Mon · 20 tau Ori · 22 o Ori · 23 m Ori · 24 gam Ori · 25 Ori · 27 p Ori · 28 eta Ori · 29 e Ori · 3 Mon · 30 psi Ori · 31 Ori · 32 A Ori · 33 n01 Ori · 34 del Ori · 36 ups Ori · 38 n02 Ori · 43 the02 Ori · 44 iot Ori · 45 Ori · 46 eps Ori · 47 ome Ori · 48 sig Ori · 49 d Ori · 50 zet Ori · 51 b Ori · 52 Ori · 53 kap Ori · 55 Ori · And 82 more.

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The Barnard's Loop and the Heart of Orion in SHO

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The Barnard's Loop and the Heart of Orion in SHO

The is my first wide field image with a Canon Lens and my ASI1600MM-PRO and narrowband filters. I had always loved Orion and the great targets for imaging. I also wanted to capture Barnard's Loop.

Barnard's Loop (catalog designation Sh 2-276) is an emission nebula in the constellation of Orion. It is part of the Orion Molecular Cloud Complex which also contains the dark Horsehead and bright Orion nebulae. The loop takes the form of a large arc centered approximately on the Orion Nebula. The stars within the Orion Nebula are believed to be responsible for ionizing the loop.

The loop extends over about 600 arcminutes as seen from Earth, covering much of Orion. It is well seen in long-exposure photographs, although observers under very dark skies may be able to see it with the naked eye.

Recent estimates place it at a distance of either 159 pc (518 light years) or 440 pc (1434 ly) giving it dimensions of either about 100 or 300 ly across respectively. It is thought to have originated in a supernova explosion about 2 million years ago, which may have also created several known runaway stars, including AE Aurigae, Mu Columbae and 53 Arietis, which are believed to have been part of a multiple star system in which one component exploded as a supernova.

Although this faint nebula was certainly observed by earlier astronomers, it is named after the pioneering astrophotographer E. E. Barnard who photographed it and published a description in 1894.

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Status	Advanced success
Started	...
Astrometry.net job	3113769
PixInsight job	P07PICFFND97I37A7JFBH938I627TP34
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h42m39s.6
RA (top/left)	05h20m36s.2
RA (top/right)	05h16m09s.3
RA (bottom/right)	06h05m03s.6
RA (bottom/left)	06h08m55s.0

Dec (center)	-02°16′30″
Dec (top/left)	+07°13′16″
Dec (top/right)	-11°05′14″
Dec (bottom/right)	-11°47′58″
Dec (bottom/left)	+06°35′06″

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The Barnard's Loop and the Heart of Orion in SHO

The Barnard's Loop and the Heart of Orion in SHO

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