Lrgb colour synthesis is for creating a colour image from mono RGB & L filters.
Is that what you’re trying to do?
One usually saves each filter stack as a fits file, then you can DDP them & save them as a colour tiffs, align them & use those tiffs for colour synthesis.
I personally save my aligned mono RG&B stacks, ddp them & then do everything thing else in Photoshop.
Hope that’s useful.
The instructions manual is very comprehensive
Last edited by Andy01; 01-04-2018 at 02:45 PM.
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