Io and Jupiter from Voyager 1

Filed under pretty pictures, global views, many worlds, amateur image processing, Jupiter, Io, Voyager 1 and 2

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Voyager 1 captured this mosaic on Io on March 4, 1979, as a nearly full-phase Io appeared to travel across Jupiter's terminator. Viewed near the edge of its disk and at local dusk, only the uppermost blue hazes of Jupiter's atmosphere are visible.

NASA / JPL / Ted Stryk

The mosaic, which consists of four clear-filter images followed by violet, blue, orange, and green frames, is a great challenge to assemble because in the 11 minutes it took Voyager to record and transmit the 6 images (from 22:36:35 to 22:47:48) Io completely transited the terminator, and because the color frames are not complete, with pieces of Io cut off. Source images can be downloaded here.

Copyright holder: Ted Stryk

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
Contact us to request publication permission from the copyright holder. Original image data dated on or about May 4, 1979