This image shows two minutes motion of Potentially Hazardous Asteroid 1998 HT31 using six co-added 4-sec exposures taken on 1998 May 8 from 00:09:01 to 00:11:02 UT with 0.57-m f/5.2 reflector + CCD camera SBIG ST-8 of Klet' Observatory. 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.