Here you can see my timelapse vid I made with a gopro hero4 silver, and need some recomendations, Here i leave you the link https://www.youtube.com/watch?v=e12_XKR9mSY
I think you could try to put the cam in a better position, with better light conditions
>>2740094
get a 20,000 dollar camera. movie makers use those. they seem to fix the problem.