The Apache Point 3.5-meter Telescope is a large optical telescope located in New Mexico, USA. It is part of the Apache Point Observatory and has been operational since 1998. The telescope is primarily used for astronomical research, including studies of distant galaxies, stars, and other celestial objects. This telescope features advanced technology, including a computer-controlled system for precise tracking of astronomical targets. It plays a significant role in various scientific projects, such as the Sloan Digital Sky Survey, which aims to map the universe and gather data on millions of celestial objects.