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Old 23-08-2014, 09:11 PM
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pfitzgerald (Paul)
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NGC 7293 (Helix Nebula)

Hi Folks

This is my first attempt at imaging the Helix nebula.

It consists of: 33 x 5 minute subs at ISO 800 captured using a Canon 60Da with a CLS clip in LP filter.

I stacked and subtracted darks, flats and bias followed by an intial power stretch using Nebulosity 3.0.

Although I haven't used them yet I also have 30 x 60 second subs to work with for the star colours.

Any thoughts on how to proceed with further processing in PS CS5 would be much appreciated as I'm still very much a novice when it comes to processing, particularly now that I'm using a LP filter.

Thank you all in advance for your suggestions.

Paul

http://i604.photobucket.com/albums/t...ps944f1852.jpg
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Old 26-08-2014, 12:56 PM
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LewisM
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Hope you don't mind, but I ran it through a few photoshop actions I created, and some denoising.
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Old 26-08-2014, 06:46 PM
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pfitzgerald (Paul)
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I don't mind at all Lewis - I like what you've done and it looks very promising.

Can I ask what processes you used in PS please? I'd like to have a go at trying to replicate what you did myself.

Paul

(PS Mike if you're out there I've just realised that I didn't place this in the Beginners Astrophotography as I ought to have - sorry :-(. Is it possible to move it?)
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Old 26-08-2014, 09:37 PM
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Masked stretched it as far as the lossy-JPEG allowed. Then ran some selective colour enhancements and contrast boosts. Denoised it with Imagenomik's routine.
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