Bruce Murray Space Image Library
Saturn’s storm from Hubble, 12 March 2011

It was taken using the Wide Field Camera 3 (WFC3) camera on the Hubble Space Telescope, with color data taken from earlier images of a previous storm by its predecessor, the Wide Field Planetary Camera 2 (WFPC2).
Three moons are visible above Saturn's rings: from left to right, they are Dione, Enceladus, and Tethys. (space.jpl.nasa.gov)