M 27, wide field, L-HaRGB (Rodolphe Goldsztejn)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: Dumbbell Nebula · HD345436 · HD345443 · HD345444 · HD345445 · HD345446 · HD345447 · HD345448 · HD345449 · HD345450 · HD345451 · HD345452 · HD345453 · HD345454 · HD345455 · HD345456 · HD345461 · HD345463 · HD345469 · HD345470 · M 27 · NGC 6853 · PGC 2815762 · PGC 2815773 · PGC 2815775 · PK060-03.1

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M 27, wide field, L-HaRGB

Revision title: Jan 2024 presentation - Background and stars improvement

Powered byPixInsight

M 27, wide field, L-HaRGB

Revision title: Jan 2024 presentation - Background and stars improvement

Tried to get the full potential of this image. Captured over three windy nights, I retained less than 50% of the subs.
Also tried to keep the background signal which is definitely present (IFN).
GHS was of great help to help separate background signal and noise.
I believe the result looks more natural than other pictures I made in the past on the same target.
It is also interesting to compare with another image shot at the same period, https://astrob.in/4ltc53/B/, taken with the Astro-Physics 130 EDF, which I will reprocess soon to improve the background.
Comments are welcome.
CS
Rodolphe

Original
B
Final
C

B

Title: Slight contrast adjustment in the core of the nebula

Uploaded: ...

C

Title: Jan 2024 presentation - Background and stars improvement

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	9019833
PixInsight job	BYONYFIVLHC5EBVOZZW33J1AHE3E226D
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h59m35s.459
RA (top/left)	19h58m36s.332
RA (top/right)	19h58m36s.850
RA (bottom/right)	20h00m34s.345
RA (bottom/left)	20h00m34s.322

Dec (center)	+22°43′31″.10
Dec (top/left)	+23°02′53″.71
Dec (top/right)	+22°24′04″.19
Dec (bottom/right)	+22°24′06″.69
Dec (bottom/left)	+23°02′56″.71

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M 27, wide field, L-HaRGB

Revision title: Jan 2024 presentation - Background and stars improvement

M 27, wide field, L-HaRGB

Revision title: Jan 2024 presentation - Background and stars improvement

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M 27, wide field, L-HaRGB

Revision title: Jan 2024 presentation - Background and stars improvement

M 27, wide field, L-HaRGB

Revision title: Jan 2024 presentation - Background and stars improvement

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