As NASA's Juno spacecraft approached Jupiter on Aug. 27, 2016, the Jovian Infrared Auroral Mapper (JIRAM) instrument captured the planet's glow in infrared light.

The video is composed of 580 images collected over a period of about nine hours while Jupiter completed nearly a full rotation on its axis.

The video shows the two parts composing the JIRAM imager: the lower one, in a red color scale, is used for mapping the planet's thermal emission at wavelengths around 4.8 microns; the upper one, in a blue color scale, is used to map the auroras at wavelengths around 3.45 microns.

In this case the exposure time of the imager was optimized to observe the planet's thermal emission. However, it is possible to see a faint aurora and Jupiter's moon Io approaching the planet. The Great Red Spot is also visible just south of the planet's equator.

A movie is available at http://photojournal.jpl.nasa.gov/catalog/PIA21036


  • Title: Juno Captures Jupiter Glow in Infrared Light
  • Creator: NASA/JPL-Caltech/SwRI/ASI/INAF/JIRAM
  • Date Created: 2016-09-02
  • Rights: JPL
  • Album: kboggs

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