blinky Posted November 24, 2020 Share Posted November 24, 2020 Took this on Sunday night, managed a couple of hours of Ha and Oiii but never got any Sii so this is a bi-colour image. I cant seem to get the nice deep blue that others manage, maybe due to the lack of Sii? 7 Link to comment Share on other sites More sharing options...
geeklee Posted November 24, 2020 Share Posted November 24, 2020 Great image @blinky, love the colours and you've still managed to create loads of transitions/shades throughout. I'm working on an H(HO)O image at the moment and due to the always stronger Ha, it's again about that relationship with the OIII - stretch the OIII harder then combine and you'll obviously get stronger OIII - then depending on your combination, that could be a stronger blue. Alternatively "fitting" the image first with OIII as the reference can give a stronger OIII influence (i.e. Linear Fit in PixInsight). Sorry, not sure if that helps against what you've done already. As above, I think the colours you have look great. Link to comment Share on other sites More sharing options...
blinky Posted November 24, 2020 Author Share Posted November 24, 2020 Thanks for the comments and the pointers, I always find i end up doing about 3 versions before I'm happy! I did a linear fit of the Oiii to the Ha, will try it the other way round and see if it comes out better. 1 Link to comment Share on other sites More sharing options...
geeklee Posted November 24, 2020 Share Posted November 24, 2020 6 minutes ago, blinky said: Thanks for the comments and the pointers, I always find i end up doing about 3 versions before I'm happy! I did a linear fit of the Oiii to the Ha, will try it the other way round and see if it comes out better. Only 3? 😁 I'm finding narrowband colour decisions... challenging! Another flexible method is just stretching the OIII more and the Ha less - testing, combining, retrying, repeat. Link to comment Share on other sites More sharing options...
blinky Posted November 24, 2020 Author Share Posted November 24, 2020 Its good fun at least, coming up with all the different combinations 1 Link to comment Share on other sites More sharing options...
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