Interstellar Black Hole
This is a Red Giant tutorial and all credits is theirs
Episode 101 – Interstellar Black Hole
In this episode of Red Giant TV, VFX artist Joey Shanks walk you through his practical-based visual effects process, and shows you how he recreated the Interstellar Black Hole effect for his PBS Digital Studios series, ShanksFX.
The youtube link to Red Giant tutorial: LINK