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Alex,
I’ve been following your experimentation with RGB and Ha using the OSC and Mono trying to combine Chrominance and Narrowband filtered data sets via separate filters.This is extremely difficult but has been done
Just a suggestion, why don’t you try what I do and use a OSC Duoband filter like the L Extreme ( or Antlia golden ) with your 2600MC camera , capture your data set and load it into “Compose” in Startools. Compose can create a Synthetic Luminance channel and correctly weight the R, G, B according to the preferred composite you select , it can also provide a Bi colour composite which I think is similar to what your trying to achieve with adding Ha to a broadband target
There are many choices …
I use the preset L + Synthetic L from R (2xG) B ,R (GB) (GB) Bi Colour from OSC . This works well on most bright nebula like M8 , M16 , M17, M42 and so on ….
Just a thought
Compose is specifically designed for your Mono data sets as well
Best
Martin
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