M78 ( Joey Troy )

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M78

Imaging Telescopes Or Lenses: William Optics Redcat 51
Imaging Cameras: ZWO ASI533MC Pro
Mounts: Sky-Watcher EQM-35 Pro
Accessories: ZWO ASIAIR Pro · ZWO EAF
Software: Pleiades Astrophoto PixInsight
Guiding Telescopes Or Lenses: ZWO 30mm Mini Guider Scope
Guiding Cameras: ZWO ASI120MM Mini

Dates:: Jan. 30, 2021 · Jan. 31, 2021
Frames:: 28×600″(4h 40′) (gain: 101.00) -10°C
Integration:: 4h 40′
Darks:: 10
Flats:: 10
Bias:: 10
Avg. Moon age:: 17.05 days
Avg. Moon phase:: 93.92%
Bortle Dark-Sky Scale:: 3.00
Mean FWHM:: 7.97

RA center: 05h46m49s.99

DEC center: +00°04′17″.8

Pixel scale: 4.484 arcsec/pixel

Orientation: -96.270 degrees

Field radius: 1.184 degrees

More info:Open

Resolution: 1500x1168

File size: 10.0 MB

Locations: Backyard, Belen, NM, United States

Data source: Backyard

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.

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. Similarly, 17 Herbig–Haro objects are known in M78.

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Backyard
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Status	Advanced success
Started	...
Astrometry.net job	4198638
PixInsight job	L0EVF7M10CB1GFCYJJKQN41013Y3Y8GG
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h46m49s.99
RA (top/left)	05h43m32s.80
RA (top/right)	05h44m20s.86
RA (bottom/right)	05h50m07s.89
RA (bottom/left)	05h49m19s.14

Dec (center)	+00°04′17″.8
Dec (top/left)	+00°55′13″.0
Dec (top/right)	-00°56′11″.0
Dec (bottom/right)	-00°46′39″.4
Dec (bottom/left)	+01°04′45″.5

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