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Old 17-04-2021, 12:31 PM
Mickoid (Michael)
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Join Date: Feb 2016
Location: Melbourne, Australia
Posts: 1,029
First of all, you've gathered some great data to work with. Seeing must have been pretty good. My understanding by your file name, these might be created using your Ha filter, or are they UVIR cut filtered shots? If they're Ha filtered it means it represents the amount of hydrogen alpha present in the galaxy. Using these as luminance won't represent all the detail available in RGB that you get using a luminance filter. If they are UVIR cut filtered shots, I'd be using the middle version as it has the best dynamic range.
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