Closer to the planet, the Galilean moon of Io can be seen at an altitude of 298,880 miles (481,000 kilometers) and at a spatial scale of 201 miles (324 kilometers) per pixel. In the distance (to the left), another one of Jupiter's Galilean moons, Europa, is visible at an altitude of 453,601 miles (730,000 kilometers) and at a spatial scale of 305 miles (492 kilometers) per pixel.
Citizen scientist Roman Tkachenko processed this image using data from the JunoCam imager.
JunoCam's raw images are available for the public to peruse and process into image products at:
More information about Juno is at:
https://www.nasa.gov/juno and http://missionjuno.swri.edu
Image Credits: NASA/JPL-Caltech/SwRI/MSSS/Roman Tkachenko