Fireworks Galaxy HaRGB (Rodd Dryfoos)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Fireworks Galaxy · NGC 6946

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Fireworks Galaxy HaRGB

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Fireworks Galaxy HaRGB

I finally managed to process my Fireworks data effectively. While there is room for considerable improvement, I was able to avoid processing artifacts from sharpening, de-noising, and stretching. I was mindful to prevent granulation of darker regions, which tended to happen in my previous attempts. Originally, I used the .7x reducer to see if I could achieve a better SNR with fewer hours of exposure and maintain enough resolution to allow cropping for a closer in view - galaxy hunting with a reduced 5" scope. I like the palette for the most part, though the Ha regions are a bit loud. Overall, I like the balance and dynamic range of this version. Not too bad with a 5" scope. I think a solid luminance channel would do wonders, but alas, the TOA 130 is off for maintenance and cleaning. Maybe next year I will get the C11Edge on the mount and fill this image in!

B

Description: A bit wider FOV--I got carried away

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C

Description: New2: reduced saturation of Ha regions a bit and toned down stars

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E

Description: New2b: final adjustments

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F

Description: New2alt: Less Crispy!

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G

Description: image16bcrop6: Reprocess. Ha is less loud, but more widespread. Cleaner image

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H

Description: Fixed red rimmed stars

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I

Description: Image16bcrop8

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J

Description: Image16bcrop9: fine scale sharpening for full resolution viewing

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Galaxies

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Status	Advanced success
Started	...
Astrometry.net job	4112092
PixInsight job	0XANP4Z3DCF34FG86G0R5WSXE3HJLAXJ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	20h35m01s.15
RA (top/left)	20h38m00s.48
RA (top/right)	20h31m51s.29
RA (bottom/right)	20h32m04s.92
RA (bottom/left)	20h38m07s.89

Dec (center)	+60°08′54″.2
Dec (top/left)	+60°26′31″.2
Dec (top/right)	+60°24′44″.2
Dec (bottom/right)	+59°51′03″.2
Dec (bottom/left)	+59°52′49″.2

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Fireworks Galaxy HaRGB

Fireworks Galaxy HaRGB

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Fireworks Galaxy HaRGB

Fireworks Galaxy HaRGB

Equipment

Acquisition details

Description

Comments

Revisions

B

C

E

F

G

H

I

J

Sky plot

Histogram

In these collections

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