(Fedora-18; 64-bit; all desktops)

On my old Redhat-9 system, I had this great tool "xv" which I used quite often to "colorize" raw weather satellite images.  It made doing that very easy, especially with the three GUIs that let me graphically vary the red, green, and blue intensities independently using the "RGB Modification" graphs in the "color editor" window.  But when I launch the "Software" tool on my system and look for xv, the only thing I find is actually just a short script to launch the real xv.  How do I get xv for my 64-bit Fedora-18 system?  Or does Fedora-18 come with something else with the same functionality?  If yes, what?

thanks,
Bill.