Each picture in the animated gif consists of
L: 500 frames 742nm IR pass (840k)

The animation shows Jupiter rotating between 20:36 and 22:17 (UTC). You can clearly see the GRS moving towards the other side of Jupiter.

Jupiter was at 14 degrees altitude.

equipment used
Philips Toucam Pro II (840k) webcam - SC1.5 with b/w ICX098BL-E ccd
Meade Starfinder 10