Astral Tracking

Track (PH) , Knowledge (the planes) 11 ranks, Spellcraft 8 ranks, Survival 10 ranks,

You can attempt to track a creature normally, even through the featureless wastes of the Astral Plane (base Survival DC 25). In addition, when standing at the location (on any plane) from which a creature departed by means of a teleportation spell or effect, you can determine its destination with a successful DC 30 Survival check. If you have your own means of teleportation, you can then teleport to that location as though you had viewed it once.

You can attempt to track a creature normally, even through the featureless wastes of the Astral Plane (base Survival DC 25). In addition, when standing at the location (on any plane) from which a creature departed by means of a teleportation spell or effect, you can determine its destination with a successful DC 30 Survival check. If you have your own means of teleportation, you can then teleport to that location as though you had viewed it once.

You can follow tracks across the featureless wastes of the Astral Plane. In addition, you can try to determine the destination of a creature that has used a teleport spell or effect.