Quote:
Originally Posted by blink138
hi mark and pkay
apologies if this is remotely considered a hijack, but mark if i use an NB Ha filter on my dslr or my OSC, do i expose normally as a coloured light frame? / how do we assign a red channel to it? before exposure or after (in DSS?)
i have been wondering for a long time and dr google has not helped me!
apologies pkay!
pat
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You image exactly as you would image color. When you debayer to R, G and B you keep only the red channel for a Ha/Sii filter and the green/blue combined for an Oiii filter. Then you stack your subs as you would for a mono.