For those that enjoy pictures as I had no idea what I was looking for in terms of what you were meant to shoot. Click on the first picture for the coordinates.
https://steamcommunity.com/sharedfiles/filedetails/?id=15962...Made by boog1el. I did nothing.
Most are quite easy. Definitely bring plenty of ammo and try to shoot from a prone position. You'll know you hit it when you hear a sound which varies with the distant to the target.