Voyager 1 took this image of Jupiter and two of its satellites (Io, left, and Europa) on February 13, 1979, from a distance of about 20 million kilometers. Io is about 350,000 kilometers above Jupiter’s Great Red Spot; Europa is about 600,000 kilometers above Jupiter’s clouds.
RGB color composite from the orange, green and violet filtered images C1578149, C1578151, and C1578153. Processed to better fit the natural color appearance of Jupiter.
(Image Credit: NASA/JPL/Planetary Data System (PDS)/astroarts.org)