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Thank you, very much, Rex, Laurie, Ross G and Steve . Mainly to Ross by observing my evolution.
To Work with colors in astrophotography is a source of discussion.
Today we can manipulate with colors having previous images from objects. Example: Trifide has blue and red as main colors.
But if you are in previous age, when nobody had imaged this object, yet. You are the first. With no sophisticated equipment to analyse the spectrum of the photo. How to decide about what boost ?
You can not see the actual color of Trifide with your naked eyes. Nor can go there to see it.
Red passes through our atmosphere more easily than others colors. Blue, our atmosphere has this color by chemical composition.
But as the first shooting Trifide, you have no reference to deal with its colors. Why not green, pink or yellow ?
If you decide to boost the green and red or green and yellow... It is done. Became a reference, up to a photo with help of spectrometry recover a better reality of the possibles colors.
NGC 5128 is a good example. Some photos the clouds are fully yellowish. Others, they are black with some details yellowish. How colorize this DSO ?
I reckon the better work is when the details takes more importance than the appearence. I am not sure, yet, but I reckon it will be my goal
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