67P Churyumov-Gerasimenko - Rosetta
Four frame OSIRIS-NAC mosaic acquired on September 5, 2014. All images were acquired through the instrument's green filter. At the time, Rosetta was at an altitude of 40km, and the comet at a distance of 512,690,000 km from the Sun.
Image Credit: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA