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Old 09-09-2023, 10:39 AM
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joshman (Josh)
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Join Date: Aug 2007
Location: Coffs Harbour, Australia
Posts: 750
NGC7293 Helix Nebula

I finally got around to processing the 55 hours of exposure I took earlier in the year. I had tried previously to process this, but my skill in Pixinsight wasn't up to the task. Fortunately, I knuckled down and learnt how to properly stretch my images using GHS, and boy, what a difference it made.


Taken with the Saxon 102 Triplet, ASI2600MM and Antlia Filters all on the AM5.

The processing stack was pretty simple:
Stars:
DBE > LinearFit > ChannelCombination > SPCC > StarX > GHS Stretch the Stars

NB:
LinearFit > BlurX > NoiseX > StarX > GHS to taste > PixelMath into HOO Palette > CurvesTransformation to flavour the colours



I've also included a comparison against my previous attempt at imaging and processing this target. I Like to think this attempt is much better.


Check it on Astrobin to see it big.


Thanks for looking and clear skies!
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