This image is the first observation of "shallow lightning" flashes — signatures of high-altitude Jovian thunderstorms that may fundamentally influence the composition of Jupiter's atmosphere. The image of was acquired by NASA's Juno mission using the spacecraft's sensitive Stellar Reference Unit navigation camera during Juno's 10th science flyby on Feb. 7, 2018.
The solar-powered Jupiter explorer launched on Aug. 5, 2011 and went into orbit around the gas giant on July 4, 2016.
More information about Juno is at http://www.nasa.gov/juno and http://missionjuno.swri.edu.