Four-image mosaic comprising images taken by Rosetta's navigation camera from a distance of 9.8 km from the centre of comet 67P/C-G – about 7.8 km from the surface. The corresponding image scale is about 66 cm/pixel, and the mosaic covers roughly 1200 x 1350 metres.
The individual image frames and more information is available via the blog: CometWatch – 26 October