It took place between 1997 and 2001, in two different locations: at the U.S. Fred Lawrence Whipple Observatory on Mount Hopkins, Arizona (G91), and at the Cerro Tololo Inter-American Observatory in Chile (I02), each using a 1.3-meter telescope for the Northern and Southern Hemisphere, respectively.
Prieskum prebiehal medzi rokmi 1997 a 2001 na dvoch rôznych miestach: v observatóriu Freda Lawrenca Whippla na Mount Hopkins v Arizone (G91) a na observátoriu Cerro Tololo Inter-American Observatory v Čile (I02), pričom každý z nich použil 1,3 metrový teleskop pre severnú a južnú pologuľu.