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Am struggling to use the rgb combine tool, it should be simple right? there must be something I done wrong along the way but this is what I got after clicking the calculate button.
Dear Tony @tonymacc,
Think about it, if you only assing the 2 channels to G and B, then the Red channel in the composite is 0 everywhere. You will need to assing it to the red channel as well to be able to get a normal grey sky background.
So perhaps you should try this, start RGB combine tool and:
- assign Ha to green
- assign 03 to blue
just like you did, and then
3. mix the Ha data in the red channel as well, by applying Ha to red as well for 100%. That should give you an initial starting point with a grey sky background.
Let me know if this helps and clarifies the green/blue result that you showed.
Kind regards,
Mabula