Io Image Coverage through Galileo Orbit Io 27
This map shows the areas viewed by Galileo and Voyager at better than 2 km/pixel.
As you can see, Galileo imaging of Io at better than 2 km/pixel occurs between
60 deg. longitude and 265 deg. longitude or mostly the Anti-jovian hemisphere.
Voyager imaging at better than 2 km/pixel was exclusively on the projovian hemisphere
between 270 deg. longitude and 20 deg. longitude (Ruwa quadrant imaging between
20 deg. Longitude and 60 deg. longitude had a resolution of 5-20 km/pixel).
However, these images were taken 22 years ago and, due to Io's extremely active
volcanism, would not reflect small- and medium-scale volcanism that has taken
place there sense. I33 imaging mainly concentrates on the area between 350 and
60 deg. longitude. High resolution imaging would be taken of selected volcanoes
and mountains in this area. Also, medium resolution imaging is planned for mountains
previously imaged by Galileo to create stereo images and thus learn more about
their formations. Finally, a color mosaic of the entire area between 340 and
60 deg. longitude is planned. This mosaic would have a resolution of 1.1 km/pixel.
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