Quote:
Originally Posted by Andy01
Echoing what’s already been said above, well done! 
Maybe worthwhile cleaning up the colours a bit though, they look a tad muted and green/cyan to my eye.
Mind you that’s my personal taste only! 
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Thanks Andy.
The
version on Astrobin is a little brighter with a bit more contrast but otherwise has the same colours. The cyan/green was intentional. I find removing the green gives a very binary orange/blue image. Almost all narrowband SHO images on Astrobin have that appearance but I prefer cyan and a little residual green because I think it gives better transitions between hydrogen/oxygen/sulphur. Mind you that’s my personal taste only!
As I said in an earlier comment, it would be interesting to see how others approach the processing. If anyone is interested, the data are
here. If you download and process, please post the result!