Dust detail help

[Anthonyexmouth]

Working on a Horsehead image and wondering if anyone can tell me if there's a process in Pixinsight that can help me bring more contrast and colour into the dust below the horsehead. If I boost the curves it's there but it blows out everytrhing else. I tried a range mast and inverting it but couldn't get that to work. May not be possible but wanted to see if anyone had any technique they might suggest. 

Horse_ABE.tif

[Budgie1]

I had a bit of a play with your image and managed to get more of the dust to show by using a Luminance Mask. To create this is clicked on the button under "View" marked "Extract CIE L* component" and then use HistogramTransformation to highlight the parts I wanted to exclude. Then I used a blur mask to come up with this mask:

This was then inverted, so I could work on the background and increase the RGB/K in Curves and this is the result:

[Anthonyexmouth]

10 hours ago, Budgie1 said:

I had a bit of a play with your image and managed to get more of the dust to show by using a Luminance Mask. To create this is clicked on the button under "View" marked "Extract CIE L* component" and then use HistogramTransformation to highlight the parts I wanted to exclude. Then I used a blur mask to come up with this mask:

This was then inverted, so I could work on the background and increase the RGB/K in Curves and this is the result:

Thanks, I'll try that myself later.