Extended Data Fig. 3: Deep searches for small moons.
a, b, Multiple HST images co-added into a ‘map’ in which longitude increases from 0° to 360° along the horizontal axis and radial position is 0–400,000 km along the vertical axis. a, View derived from the five HST orbits of programme GO-11656, obtained on 2009 August 19. b, View from the two orbits of Visit 03 in HST programme GO-14217, taken on 2016 September 2.
