Through a telescope, Uranus usually appears as a tiny green disk, somewhat flattened, and largely devoid of detail. It’s never been a popular target for amateur study. But some tenacious observers over the past century and beyond have occasionally glimpsed subtle bands, zones, and bright and dark spots on the planet.
Stephen James O’Meara’s Secret Sky: Uranus: The Alice in Wonderland world
August 2010: Have amateur astronomers spotted details on the seventh planet, or has it all been an illusion?