These are two images of Comet Borrelly from Deep Space 1. I've been searching for the best images for mapping the nucleus.
I was disturbed to find that the raw images, in fact all the Borrelly data, were never properly archived and are difficult to track down. It seems the Deep Space 1 team were not very interested in collaborating with the PDS on archiving.
Anyway, these are specially processed composites of the versions I've been able to find. They show more detail along the terminator (bottom) than most images I have seen elsewhere. I have been working on a 3D shape model in my spare time. PDS has two shape models which are not suitable for conventional mapping.
Click to view attachment