The Great Red Spot at the centre of the planet and the moon, Io just on the limb 11-12-12
Jupiter, the Great Red Spot and Europa's Shadow 11-12-12
Jupiter, the Great Red Spot and Europa's Shadow 11-12-12
Webcam image using x2 Barlow and stacked in Autostakkert with a 1.5 Drizzle.
The image to the left is before processing in Registax, and on the right after using the Wavelet functions