M42 Orion Nebula rework plus 3hrs extra integration time (Arny)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 Ori A) · 41 Ori C · 41 Ori D · 41 the01 Ori · 42 Ori) · 42 c Ori · 43 Ori) · 43 the02 Ori · 44 Ori) · 44 iot Ori · 45 Ori · Great Orion Nebula · HD294221 · HD294259 · HD294261 · HD294262 · HD294263 · HD294293 · HD36559 · HD36593 · HD36606 · HD36629 · HD36655 · HD36670 · HD36671 · HD36712 · HD36742 · HD36782 · HD36842 · HD36843 · And 80 more.

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M42 Orion Nebula rework plus 3hrs extra integration time

Revision title: Finetuning

Powered byPixInsight

M42 Orion Nebula rework plus 3hrs extra integration time

Revision title: Finetuning

Adding a few more nights of total integration time and redoing the PixInsight Process completely again by mastering masked stretching for the first time.

In detail I used the following process steps in PixInsight
- ImageIntegration of various exposure frame sets (HDRComposition failed to accept the 600s frames...!?)
- DynamicBackgroundExtraction
- ColorCalibration
- SCNR
- HistogramTransformation to gently stretch the image
- iterative mask generation from luminance extract of image and convoluting to a very soft and never 100% mask, using the protect the nebula core
- ImageSeolver to plate solve
- PhotometricColorCalibration did some magic work of aligning colors to true physics colors
- HDRWaveletTransform to gain contrast in the core
- CurvesTransformation to enhance saturation, RGBK and luminance
- EZDenoise to get rid of noises on dark sky expecially

Finish in Photoshop
- RawImage Editing on Contract, Structure, Texture, Dehaze, Noise reduction and color balancing

Quite a journey and took me a few weeks to figure it out before I was satisfied :-)

Original
B
C
Final
D

B

Title: Reprocessed with 2x Drizzle - unveiling the trapez in the core

Description: some more finetuning by trying out 2x Drizzle for integration and focussing to get the core trapez worked out

Uploaded: ...

C

Title: colors less exaggerated

Uploaded: ...

D

Title: Finetuning

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	7418034
PixInsight job	3AOCQ3LYNKTQPSKCU7FQFB63ST5O2HVI
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h35m10s.620
RA (top/left)	05h37m59s.433
RA (top/right)	05h38m16s.321
RA (bottom/right)	05h32m21s.131
RA (bottom/left)	05h32m03s.111

Dec (center)	-05°12′39″.65
Dec (top/left)	-06°21′33″.94
Dec (top/right)	-04°06′27″.89
Dec (bottom/right)	-04°03′40″.35
Dec (bottom/left)	-06°18′37″.76

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M42 Orion Nebula rework plus 3hrs extra integration time

Revision title: Finetuning

M42 Orion Nebula rework plus 3hrs extra integration time

Revision title: Finetuning

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Image Index:

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M42 Orion Nebula rework plus 3hrs extra integration time

Revision title: Finetuning

M42 Orion Nebula rework plus 3hrs extra integration time

Revision title: Finetuning

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Acquisition details

Description

Comments

Revisions

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C

D

Sky plot

Histogram

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