New Image: Sh2-124 in HaRGB

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Stuart Heggie

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Jul 21, 2025, 10:13:35 PMJul 21
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Scope is my AP155EDF
Mount is a Paramount MX
Camera is a Moravian G4 (16803 ccd)

H-Alpha: 24 x 20 min; RGB 12x10min each


Top image is the HaRGB and below that the starless H-Alpha image I used and below that the RGB it was added to. 

Detailed PixInsight steps:
RGB: Gradient Removal, SPCC, BlurX, NoiseX, StarX, Curves, HT, LHE, Stars stretched separately using Curves then added back via PixelMath. Save as TIFF
H-Alpha: Gradient Removal, BlurX, NoiseX, StarX, Curves, HT then HDRMMT. Save as TIFF
HaRGB_Combine process was used to add the Ha to the RGB. Save as TIFF

Some tweaks in PS (hence the save-as-TIFF)

Hope you like it!

Aris Pope

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Jul 21, 2025, 10:15:45 PMJul 21
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Fantastic Stuart!

Aris

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ian clements

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Jul 21, 2025, 10:23:11 PMJul 21
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 Very nicely done!

On Jul 21, 2025, at 19:15, Aris Pope <arispo...@gmail.com> wrote:



Stuart Heggie

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Jul 21, 2025, 11:14:13 PMJul 21
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Aris, Ian, thanks!!!


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Joseph Beyer

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Jul 22, 2025, 11:29:20 AMJul 22
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Beautiful Stuart. All of the images are striking in their own right. My colorblind self is preferentially drawn to the pure RGB. Excellent processing on these!

Joe

Scott SCHNEIDER

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Jul 22, 2025, 11:31:50 AMJul 22
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Wow Stuart.  That H-alpha looks fantastic.  So nice and smooth.

Scott.

On Jul 21, 2025, at 7:13 PM, Stuart Heggie <stuart....@gmail.com> wrote:

Stuart Heggie

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Jul 22, 2025, 1:48:40 PMJul 22
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Scott and Joe, thanks so much!



Francesco Meschia

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Jul 23, 2025, 12:02:01 AMJul 23
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Hi Stuart!

I really like these Ha-augmented wide nebula pictures of yours. This one in particular: it reminds me of those images produced by David Malin in the ‘90s from Schmidt plates. The star colors are outstanding.

Francesco

Stuart Heggie

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Jul 23, 2025, 12:15:05 AMJul 23
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Thank you Francesco! I really appreciate your kind words. 



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Ray Poudrier

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Jul 28, 2025, 1:41:42 PMJul 28
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Very nice image Stuart!

I like how the Ha brings out the hidden details you can't really see in the RGB!

Stuart Heggie

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Jul 28, 2025, 6:49:57 PMJul 28
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Thank you Ray!!


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