Rainbow Rosette (SHO) (Jonathan Young)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 12 Mon · NGC 2237 · NGC 2238 · NGC 2239 · NGC 2244 · NGC 2246 · Rosette nebula · Sh2-275 · The star 12Mon

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Rainbow Rosette (SHO)

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Rainbow Rosette (SHO)

Rosette Nebula / Caldwell 49 at 5000 lr and 130 lr across - 14 hours over two nights with 5nm narrow-band filters.

Processed in star-tools 1.6 (Dev - contrast - decon - sharp -HDR - color (SHO) and minimal de-noise. Colors (each channel hue) and saturation tweaked in LR. Struggled a bit with star control and over saturation but finally got a "Rainbow" from outer edge to core. Thanks for looking.

55 x 450 Ha

30 x 450 S2

27 x 450 O3

60 Dark

16 Flat / Darkflat

B

Description: Added a second night of data.
55 x 450 HA
30 x 450 S2
27 x 450 O2

Uploaded: ...

E

Description: 20191226 Revision - Less aggressive stretch and coloring.

Uploaded: ...

F

Description: Re balanced to more red hue.

Uploaded: ...

G

Description: resize, dehaze

Uploaded: ...

H

Description: Rainbow-Rosette

Uploaded: ...

L

Description: Reprocessed with tweaks to exposure, bin, color etc.
DSS average stack 3x drizzle integration
Compose: L, S, H, O with weightings
Bin to 2.2 arc/pixel (17.67%)
Develop 93%
Contrast strength 70%
DECON 1.5pixels
Sharp (scale small) amount 200%
HDR reveal all. 500 scale, strength 1.1 pixels
Color - constancy, SHO, initial identity, 200% saturation, full dark sat, 4.0 light sat.
Denoise - 2 pixels, scale corr 3, smooth 65%, brightness/color loss 20%.
Touchup in LR (exposure +0.2, contrast +10, shadow/highlight -10, clarity/dehase 10, saturation/vibrance 10, tint -5, temp -5, denoise 10, grain 2). Rescale to 5000 pixel on long side.

Uploaded: ...

Cloudy Nights
Central USA

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Status	Advanced success
Started	...
Astrometry.net job	3173494
PixInsight job	2HFOG4VJU1XEMIPW83JBPU1MHP679H84
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h32m02s.810
RA (top/left)	06h30m08s.336
RA (top/right)	06h29m45s.550
RA (bottom/right)	06h33m57s.241
RA (bottom/left)	06h34m20s.547

Dec (center)	+04°57′24″.99
Dec (top/left)	+05°37′55″.17
Dec (top/right)	+04°21′34″.19
Dec (bottom/right)	+04°16′51″.58
Dec (bottom/left)	+05°33′09″.46

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Rainbow Rosette (SHO)

Rainbow Rosette (SHO)

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Image Index:

Contribution Index (beta):

Rainbow Rosette (SHO)

Rainbow Rosette (SHO)

Equipment

Acquisition details

Description

Comments

Revisions

B

E

F

G

H

L

Sky plot

Histogram

In these public groups

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