This first Rosetta image was taken by its Navigation Camera (NAVCAM) on 28 June 2005 between 08:45 and 09:15 CEST, and is a composite of 20 exposures of 30 seconds each.
The comet is the fuzzy object with the tail in the lower left of the image. The faintest stars visible in this image are about 13th magnitude, the bright star in the upper left is about 8th magnitude. The image covers about 0.5 degrees square, and celestial north is to the right.