Filed under pretty pictures, global views, amateur image processing, asteroids, asteroid 243 Ida and Dactyl, Galileo
Also known as (243) Ida I, Dactyl is a satellite of the asteroid Ida. Dactyl was discovered by the Galileo spacecraft in images taken as it sped past Ida in an encounter on August 28, 1993. It is about 1.6 by 1.2 kilometers in size, orbiting Ida at a distance of 90 kilometers.
NASA / JPL / Ted Stryk
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Original image data dated on or about August 28, 1993