Hi Tony, terrific image!!
You need to download a copy of Loreal for those halo's.
http://astrosurf.com/hfosaf/uk/tdownload.htm#loreal
The program is in French but it's very intuitive to use. Just remember, you need to load the image in .bmp format.
Play around with the sliders, click on the star, you'll soon get the idea.