Hello.
Instead of capturing RGB separately for stars is it possible with this filter: Antlia Triband RGB Ultra Filter 2" to get RGB at the same time.
I have ASI 1600 MM Pro.
This is a multi-software forum. I assume this is about Siril, so I moved the post to the right topic.
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I don’t do Astrophotography, so please see for yourself:
Filter:
Your Mono camera:
P.S. I imagine that the filter with it’s steep dichroic bands reduce undesirable wavelengths to zero, significantly affecting the response of the camera+filter.
As to “a script” I have no idea what that means, sorry.
It will not be true RGB.
Yes, quite unfortunate naming for the filter.
P.S. what is “true RGB”?
More broadband 
