Messier 78 (Barry Wilson)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: M 78 · NGC 2064 · NGC 2067 · NGC 2068 · NGC 2071 · VdB59 · VdB60

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Messier 78

Link: https://barrywilson.smugmug.com/

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Messier 78

Link: https://barrywilson.smugmug.com/

Along with NGC 1333 I find this target very intriguing and a splendid example of multiple astrophysical phenomena with its reflection nebula and star-forming dense dust and gas structures.

From Wikipedia: "Messier 78 or M 78, also known as NGC 2068, is a reflection nebula in the constellation Orion. It was discovered by Pierre Méchain in 1780 and included by Charles Messier in his catalog of comet-like objects that same year.[3]

M78 is the brightest diffuse reflection nebula of a group of nebulae that includes NGC 2064, NGC 2067 and NGC 2071. This group belongs to the Orion B molecular cloud complex and is about 1,350 light-years distant from Earth.[2] M78 is easily found in small telescopes as a hazy patch and involves two stars of 10th and 11th magnitude. These two B-type stars, HD 38563 A and HD 38563 B, are responsible for making the cloud of dust in M78 visible by reflecting their light.[4]

The M78 cloud contains a cluster of stars that is visible in the infrared.[2] Due to gravity, the molecular gas in the nebula has fragmented into a hierarchy of clumps,[2] the denser cores of which about to form stars with masses of up to 5 M☉.[5] About 45 variable stars of the T Tauri type,[6] young stars still in the process of formation as well as some 17[7] Herbig–Haro objects are known in M78."

Data acquisition: Barry Wilson & Steve Milne

Processing: Barry Wilson

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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	3317206
PixInsight job	GH8KP02I8Q9PN3J8YCEIK1SJYHQT0MU6
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h46m38s.900
RA (top/left)	05h47m44s.249
RA (top/right)	05h45m32s.226
RA (bottom/right)	05h45m31s.676
RA (bottom/left)	05h47m43s.739

Dec (center)	+00°03′28″.28
Dec (top/left)	+00°24′18″.20
Dec (top/right)	+00°24′22″.21
Dec (bottom/right)	-00°17′19″.70
Dec (bottom/left)	-00°17′26″.15

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