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Paul,
Here’s the procedure how to the Composite module but you need to have Startools version 1.6
Composite Module Startools V1.6
Using OSC Camera and Multi Narrowband OSC Filters eg ZWO Duoband Filter
1/ Open Startools
2/ Select Composite
3/ Change Luminance Colour setting to L + Synthetic L from RGB Mono ( leave all other settings as default )
3/ Create a Synthetic Composite of say “Cyan” by selecting Green tab and load your selected stacked file ( data )
4/ Select Blue tab and load your selected stacked file ( data )
5/ Leave exposure sliders as default
7/ Press Keep , then Linear
8/ Press Compose again
9/ Now load your selected stacked file ( data ) by selecting Luminance tab, open and load
10/ Now load your selected stacked file ( data ) by selecting Red tab , open and load
11/ Press Green tab and select and load your New Composite ( Green Blue )
12/ Now press Blue tab and select and load your New Composite ( Green Blue )
13/ Press Keep and then Linear
14/ Now process your image as normal ......Bin , AutoDev, Crop, Wipe etc... you will be processing in Synthetic Luminance or Mono until you hit the Colour module
15/ When you hit the Colour module “do not touch” the presets at the top like Constancy , Legacy , SHO , Duoband etc... as these are for Mono cameras
Just use Scientific Style and play around with your Red , Green and Blue colour bias sliders
You can try changing the LRGB Method Emulation to either of the 5 presets but I find either Straight Luminance or RGB Ratio work well
16 / Additionally you can create a “Magenta Composite” by loading Red and Blue in the procedure above or even Green / Red but I’ve never tried that.You also adjust the exposure times a bit and experiment
17/ You can even just load basic LRGB in Composite without creating a Synthetic colour but in the Composite module you need to change the Luminance Colour to L+ Synthetic L from RGB , RGB then load your data once into Luminance, Red ,Green and Blue but increase the exposure time in Green to double that of Red and Blue ( 2hrs 120m ( 7200s ) because of the Bayer Matrix in OSC colour cameras green samples 2 pixels
Then press Keep and Linear and process as normal , again you will be processing in Synthetic Luminance Mono until you hit the Colour Module
Hope all the above makes sense
Good Luck !!!
Cheers
Martin
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