Map of the Io Phase versus the Jovian Central Meridian Longitude.This Map was coded by Junpei Azuma, Imai Laboratory, Kochi National College of Technology, Japan.
See also the Io-D arc February 9 2010
Hercules A
Radio-Optical View of the Galaxy Hercules A - Many thanks to: NASA, ESA, S. Baum and C. O'Dea (RIT), R. Perley and W. Cotton (NRAO/AUI/NSF), and the Hubble Heritage Team (STScI/AURA)