The image of potentially hazardous asteroid 1997 XF₁₁(arrowed) was taken on 1997 December 26.923 UT with 0.57-m f/5.2 reflector + CCD camera SBIG ST-8 of Klet' Observatory and is 60 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.
Another measurements of this object were made at Klet' Observatory on 1998 January 17 and February 3 and was published on Minor Planet Circulars/Minor Planets and Comets Supplement No.332 and No.418.