The zoom image of a Near-Earth Aten type asteroid 1997 AC11 was taken on 1997 January 18.114 UT with 0.57-m f/5.2 reflector + CCD camera SBIG ST-8 of Klet' Observatory and is 180 seconds exposure. The field of view is 8 to 5 arcminutes with north to the top and west to the right.
Observers J. Ticha and M. Tichy.