If you want to try something cool with time laps, download StarStax (free) and do a night laps of a clear sky when the stars are out. The 3-Way is a great mount for getting the perfect angle. This post can help to get you started.
https://community.gopro.com/t5/Cameras/How-to-take-Star-Trail-Photographs-with-the-Hero-4/td-p/7269
