Comet in grayscale. So we've all assumed that the comet is actually gray. However, a new photo taken by Rosetta shows the comet in its true colors: a reddish brown. Photo taken by Rosetta's OSIRIS camera. - Comet Full Color Cleaned up in Photoshop.
Comet boundaries: Ma’at, Maftet, Nut and Serqet
The Rosetta spacecraft and its comet just hit a major milestone
Rosetta’s OSIRIS narrow-angle camera captured this image of Comet at GMT from an altitude of about km during the spacecraft’s final descent on 30 September.The image scale is about cm/pixel and the image measures about 33 m across.