Asteroid 243 Ida
Filed under pretty pictures, amateur image processing, asteroids, asteroid 243 Ida and Dactyl, Galileo
On its way to the Jupiter system, Galileo passed by asteroid 243 Ida, discovering that it had a satellite, now named Dactyl. This is a mosaic of 5 images captured on August 28, 1993, shortly before closest approach. Ida is an S-type asteroid, about 58 by 23 kilometers in size.
NASA / JPL / Ted Stryk
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Original image data dated on or about August 28, 1993