Rock and rings
When Rosetta was still 36,000 km (22,000 miles) from Lutetia, it snapped this jaw-dropping shot of the asteroid with Saturn in the distant background. This means the spacecraft, the asteroid, and Saturn were almost exactly along the same line, a configuration that probably only lasted for a few seconds. It's remarkable that controllers on the ground were able to take this picture at just the right moment to obtain this amazing picture!
Credit: ESA 2010 MPS for OSIRIS Team. MPS/UPD/LAM/IAA/RSSD/INTA/UPM/DASP/IDA