I took 40 short movies (2
min) of Saturn.
Time between movies is 15 seconds just enough to change the exposure
So I ended up with 20 images of Saturn and 20 images of Saturn moons
(Tethys, Dione, Rhea, Enceladus)
The movie shows the first 20 images first, then the other 20 showing
the moons movement.
Last but not least I used Photoshop to clone the moons onto the Saturn
images and I got a nice movie showing both Saturn spin and moons