The image of comet C/1999 S4 (LINEAR) was taken on 2000 July 6.03 UT with 0.57-m f/5.2 reflector + CCD camera SBIG ST-8 of Klet' Observatory and is 30 seconds exposure. The field of view is 16 to 10 arcminutes with north to the top and west to the right.
Observers J. Ticha and M.Tichy