johnptd Posted August 19, 2023 Share Posted August 19, 2023 I have a Ha/OIII filter for my OSC camera. I have just purchased a Hb/SII filter. Since I will need to create separate image sets for the two filters, how do I combine them a get distinct colors for the four different filter frequencies. JohnD Quote Link to comment Share on other sites More sharing options...
Staff stokerg Posted August 21, 2023 Staff Share Posted August 21, 2023 Hi @johnptd, From my understanding, you'd just use the New Astrophotography Stack option and add the set of images. There is a great tutorial here which covers this Quote Link to comment Share on other sites More sharing options...
johnptd Posted August 21, 2023 Author Share Posted August 21, 2023 My situation is a little different. I will have two filters combined into one image. One image set will be H-a and OIII, the other set will be H-b and SII. His tutorial has each image set is only one filter. I don't know how to break down the dual filter sets into two individual colors. JohnD Quote Link to comment Share on other sites More sharing options...
Critter Posted November 26 Share Posted November 26 I am looking for the same answers. Trying to use 2 image sets with the 2 filters. How do you separate the hydrogen, oxygen, and sulphur wavelengths and combine in Affinity Photo. Tony Quote Link to comment Share on other sites More sharing options...
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