Organization: California Association for Research in Astronomy dba W M. Keck Observatory Wavelength: Optical, near-infrared Built: Keck I 1993, Keck II 1996 Telescope style: Reflector Diameter: 10 meters (33 feet) each Angular resolution: 0.04 to 0.4 arc seconds for individual telescopes, depending on target and instruments used Collecting area: 76 m2 (820 square feet) each Focal length: 17.5 meters (f/1.75) Mounting: Alt/az Dome: Spherical Website: wwWkeckobservatory.org
Organization: California Association for Research in Astronomy dba W M. Keck Observatory Wavelength: Optical, near-infrared Built: Keck I 1993, Keck II 1996 Telescope style: Reflector Diameter: 10 meters (33 feet) each Angular resolution: 0.04 to 0.4 arc seconds for individual telescopes, depending on target and instruments used Collecting area: 76 m2 (820 square feet) each Focal length: 17.5 meters (f/1.75) Mounting: Alt/az Dome: Spherical Website: wwWkeckobservatory.org