One of the things I have been tinkering with the last few months is to learn how to process in narrowband false color palettes, and to try to learn how to follow the approaches many use in these schemes. The Hubble Palette, SHO uses Sulfur II filtered light in place of red, Hydrogen Alpha filter in place green and Oxygen III in place of blue. This is a wild configuration that causes hydrogen rich targets to get washed out and overwhelmed with mostly green colors. I found a lot of fun and challenge learning how to process a meaningful SHO Hubble Palette Image.
While everyone gets amped up over a Green Comet, nearly NO one gets amped up for a falsely colored green nebula…apparently (applies to me as well). Upon doing some research, I discovered how to properly process Hubble Palette images in this video (
https://youtu.be/YGMRn-fMVV8) by James Lamb. Using Lamb's Pixel Math script really made things super simple to get a decent base
Here is what the image started out as - "The Green SHO Image" - after initial combination:
The Starless Version of the photo. Amazing how much nebula contrast pops out without the star field.
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