Quote:
Originally Posted by JA
L = R + G + B + (a little Infra Red)*
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That's assuming there's no overlap or gaps between filters, so YMMV. One of my colleagues at SRO tried this technique and got very poor results compared with B3E. We were using Astrodon filters which have some overlap between B and G and a large gap between G and R.
Cheers,
Rick.