Awesome. Looks like you may have brought the ha in. How did you do that?
T
tromat2@gmail.comMay 13, 2026
Thanks! I prepared the RGB and the file with Ha (gradient removed, colour calibrated, BXT), then I extracted the R layer of both files. I used the script PhotometricContinuumSubstraction from NightPhotons to get a "pure" Ha. I then added this image to add the Ha with another script, CombineHaWithRGB.
The first part is made at linear stage, the second almost at the end so after the stretch. The said stretch is made with MAS and GHS.
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Awesome. Looks like you may have brought the ha in. How did you do that?
Thanks! I prepared the RGB and the file with Ha (gradient removed, colour calibrated, BXT), then I extracted the R layer of both files. I used the script PhotometricContinuumSubstraction from NightPhotons to get a "pure" Ha. I then added this image to add the Ha with another script, CombineHaWithRGB.
The first part is made at linear stage, the second almost at the end so after the stretch. The said stretch is made with MAS and GHS.