Rosette Nebula - RGB - NGC 2238 - Esprit 80 - ASI1600MM - Paramount MyT - Voyager (Rowland Archer)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 12 Mon · HD258857 · HD259135 · HD259922 · HD45507 · HD45530 · HD45760 · HD45910 · HD45911 · HD46006 · HD46056 · HD46057 · HD46105 · HD46106 · HD46107 · HD46108 · HD46149 · HD46150 · HD46179 · HD46180 · HD46201 · HD46202 · HD46223 · HD46301 · HD46324 · HD46375 · HD46424 · HD46469 · HD46484 · HD46485 · And 18 more.

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Rosette Nebula - RGB - NGC 2238 - Esprit 80 - ASI1600MM - Paramount MyT - Voyager

Powered byPixInsight

Rosette Nebula - RGB - NGC 2238 - Esprit 80 - ASI1600MM - Paramount MyT - Voyager

Rosette Nebula shot between January 2020 and March 2022. 8 hours of RGB data so on the low side for my typical images, but such a bright target
I'm not sure more data would make a big difference.

It was nice to be able to frame the whole object in a single image, no mosaic required.

Took a lot of processing to bring the color out. The original RGB combination was almost monotone.

Basic processing flow:

Acquisition with Voyager - most of this was when I was using a homebrew scheduler addon, and the later frames were using Voyager Advanced,
which has made planning and acquisition a joy.

Calibration with GeSS and SiriL.

Pixinsight: WBPP
Channel Combination
GradientXpert which had made life so much simpler than with DBE
ImageSolver -> SpectroPhotometricColorCorrection
No noise removal, image seemed ok without it
BlurXT - another wonderful tool that has replaced Deconvolution in my flow
Played with arcsinh, masked and generalized hyperbolic stretch and chose masked
Made a mask by extracting luminance, HistoTrans to clip blacks and increase brightness then StarXterminator
Masked nebula and applied curves and HDRMT with Gaussian (9) process
Out to 3DLUT Creator for contrast and color shift - this is a great tool pointed out to me by Lloyd from Deep Sky West.
It lets you click on a color on the image and drag to shift the color - really fun to use and so much easier than alternatives.

I also shot SHO and will see if that is worth adding to the gallery.

All Images
Nebulae

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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	8629030
PixInsight job	2088A4AP5EE607V0C8HQ0SDPHTGQ24Q1
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h32m03s.00
RA (top/left)	06h27m18s.10
RA (top/right)	06h30m11s.10
RA (bottom/right)	06h36m46s.82
RA (bottom/left)	06h33m55s.40

Dec (center)	+04°57′25″.1
Dec (top/left)	+05°52′43″.1
Dec (top/right)	+03°32′04″.4
Dec (bottom/right)	+04°02′06″.3
Dec (bottom/left)	+06°22′57″.2

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Rosette Nebula - RGB - NGC 2238 - Esprit 80 - ASI1600MM - Paramount MyT - Voyager

Rosette Nebula - RGB - NGC 2238 - Esprit 80 - ASI1600MM - Paramount MyT - Voyager

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Rosette Nebula - RGB - NGC 2238 - Esprit 80 - ASI1600MM - Paramount MyT - Voyager

Rosette Nebula - RGB - NGC 2238 - Esprit 80 - ASI1600MM - Paramount MyT - Voyager

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