M78 (NGC 2068) (Michael Southam)

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

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M78 (NGC 2068)

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M78 (NGC 2068)

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. 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.

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

Original
B
C
D
Final
E

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Status	Advanced success
Started	...
Astrometry.net job	3226244
PixInsight job	CG51CQPM4ZORJAERF6AFP0UFXRPSF6Z5
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h46m51s.450
RA (top/left)	05h48m02s.680
RA (top/right)	05h44m59s.999
RA (bottom/right)	05h45m40s.295
RA (bottom/left)	05h48m43s.152

Dec (center)	+00°05′19″.86
Dec (top/left)	+00°29′01″.25
Dec (top/right)	+00°15′14″.20
Dec (bottom/right)	-00°18′21″.12
Dec (bottom/left)	-00°04′35″.31

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M78 (NGC 2068)

M78 (NGC 2068)

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M78 (NGC 2068)

M78 (NGC 2068)

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