A jewel of the southern hemisphere - NGC 3372 The Carina Nebula
Taken over just one night from my backyard in Wellington, NZ
My Instagram if you would like to see more of my photos:
https://www.instagram.com/mos\_astro/Astro Pixel Processor
Pre-processing:
Individual frames calibrated, analysed, registered and normalised.
Stacked in APP with LN Mad Winsor clipping and one iteration of 1st Local Normalisation Correction
Pixinsight
Post processing:
Individual frames:
Cropped to remove stacking artifacts at the borders
MMT Noise reduction on each channel
ABE
Linear fit to Oiii channel
Channel combination to combine in SHO
SHO:
Background neutralisation
Fix magenta stars with PixelMath
Light pass of DBE
SCNR to remove green cast
Pre stretch S Curve tweak
Taken non linear with Histogram Transformation
Multiple C S and RGBK curve adjustments
HDRMultiscale transform
Another small HT
Dark structure enchance script
Star reduction script
ACDNR and TVGNoise reduction
MLT Sharpening with a range mask minus star mask so we only target nebulosity
Invert mask and reduce saturation of the background and stars with an S Curve adjustment
Final Histogram stretch with the same range mask still applied to bring the finer details of nebulosity out
Saved for further processing in Affinity Photo
Affinity Photo:
Black point adjustment
Saturation and vibrance increase
Contrast and brightness adjustment
Selective colour adjsutment on the cyan and blue channels
Downsampled and exported as JPG for the web
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