I'd been searching for trackers that separated the two Unblinking Vigil and Trick Shots buffs apart but allowed me to track both simultaeneously. Unable to find a weak aura that did this in a simple manner, I created my own and wanted to share it with other like-minded Marksmanship Hunters.
This WeakAura is imported as part of a dynamic group. But if you wish to separate them, simply drag them apart in the Weak Aura's listing to ungroup them. Fairly simply to modify if you wanted to change things such as text colour, font, icons etc.
By default it works as so: Red = Trick Shots / Green = Unblinking Vigil
Aim well, shoot true! I hope it helps!