Quick summary of what I want to create with AE: I have a drone shot and I want to add a realistic planet in the sky/horizon by using 3d Camera Tracker in After Effects.
What I want: While flying past a wind turbine I want to create depth by showing the turbine in front of the planet in the horizon to create some kind of realistic depth.
The Problem: Currently the planet in the horizon is in the foreground and covers the wind turbine and its moving rotos etc.
What I tried so far: I know I have to use the masking tool but I am not sure about the order of the procedures of how to get to my results. I've created a mask and tried subtracting but this didn't go as expected. I also readjusted the mask shape and keyframed the mask path for the relevant frames where the turbine should be in the foreground. But this didn't go out as expeted.
Can someone please guide me through the the procedure to get to my final result?