Fig. 2. Voyager 2 IRIS Approach Mosaic of Ganymede.
The mosaic is composed of about 150 spectra taken at ranges between 178,000
and 92,000 km. Each circular field of view has been individually projected
onto the surface from the position from which it was taken, accounting
for the distortion of some of the circles. Spectrum locations have been
corrected for pointing errors as described in Chapter 2. The base image
is wide-angle frame 20635.51, obtained during the mosaic. The latitude/longitude
grid is aligned with the image using the the control network of Davies
and Katayama (1981), but does not include their re-definition of the longitude
system. C.f. Fig. 15
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