ETX-125 f/15 at prime focus. Scorpion monochrome camera, best 8 of 784 frames.
Ibot color camera 640 x 480 8-bit. (New old stock, firewire camera for $20 on ebay.) Best 30 of 992 frames stacked. A bit of the Great Red Spot visible.
Same stack as the top image, but unsharp masked three times in Photoshop to bring out the banding.