Example of ground-based images for (4674) Pauling (top) and (2577) Litva (bottom). The two columns present the images before (left) and after (right) the application of halo-subtraction algorithm (see text). The arrows indicate the position of the satellite. The instrument and filter are indicated in the upper left corner of each image, the time of observation in the upper right corner, and the apparent magnitude in the lower right corner.