Messier 78 (RGB) (Linda)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: LBN 938 · LBN 939 · M 78 · NGC 2064 · NGC 2067 · NGC 2068 · NGC 2071 · PGC 3085073 · VdB59 · VdB60

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Messier 78 (RGB)

Link: https://lindasastronomyadventures.space/?p=10935

Powered byPixInsight

Messier 78 (RGB)

Link: https://lindasastronomyadventures.space/?p=10935

While M78 may technically refer to only the brightest reflection nebula at the center, there's a lot more happening in the area! Several other reflection nebula, dark dust, and a background hydrogen alpha glow make for a somewhat chaotic but interesting area.

Here's how it was processed:

Each R, G and B
dynamic crop
ABE

RGB
channel combination
PCC
generalized hyperbolic stretch
make a copy for starless processing
make a copy to generate a star mask with starXterminator

starless
starnet2
TGV denoise
LHE (2 scales)
dark structure enhance
sharpen
curves for contrast & color
pixel math in stars RGB using star mask
SCNR to remove some green noise

Normally I'd include all the nights and exposure info but I used the Normalize Scale Gradient script which has a habit of rejecting bad subs. In this case it rejected about ⅓ of my subs thanks to passing clouds. So all I have is the total integration time that made it though to the end. The subs were acquired between 20 Jaun 2022 and 12 Feb 2022.

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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	5557971
PixInsight job	WI51T3HT349TSBIC6LJRJ7HUIGT5EI1O
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h46m42s.815
RA (top/left)	05h48m38s.200
RA (top/right)	05h44m44s.573
RA (bottom/right)	05h44m47s.549
RA (bottom/left)	05h48m41s.180

Dec (center)	+00°05′12″.84
Dec (top/left)	+00°29′05″.36
Dec (top/right)	+00°28′08″.55
Dec (bottom/right)	-00°18′40″.85
Dec (bottom/left)	-00°17′44″.40

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Messier 78 (RGB)

Messier 78 (RGB)

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Messier 78 (RGB)

Messier 78 (RGB)

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