[Startrek (Martin)]

Imaged Jupiter last night at around midnight and after processing this morning noticed a large black spot in the southern polar region
Any ideas what it might be ? A huge storm maybe ??

6” f6 newt on HEQ5
Canon 600D with a 4 x Televue Powermate
Captured on BYEOS Planetary mode with 5 x zoom to get close to 1:1 pixel resolution ( 1500 frame AVI video file )
ISO800 exp 1/80
Stacked in Autostakkert 3
Processed in Registax 6

Thanks for looking