The Astrophysical Research Consortium (ARC) owns and manages the Apache Point Observatory (APO) located in Sunspot, NM for its member institutions through support agreements with these institutions. ARC has three research telescopes at APO: the 3.5m Telescope, the 2.5m Sloan Foundation Telescope and the 0.5m Small Aperture Telescope (ARCSAT). ARC also hosts New Mexico State University's 1.0m Telescope. Corporate contact information is at bottom of this page.

Institutions or groups interested in access to the 3.5m telescope are encouraged to follow the ARC 3.5m Telescope link "Join the Astrophysical Research Consortium."

Institutions or groups interested in partnering with the Sloan Digital Sky Survey are encouraged to follow the 2.5m Sloan Foundation Telescope link "To Become a Partner."

Apache Point Observatory

2.5m Sloan Foundation Telescope



Sloan Digital Sky Surveys (SDSS):



(observing starts July 2014)

To become a Partner




ARC 3.5m Telescope



Current Member Institutions and Management

Current Leasing Participants


ARC Reference Documents

Join the Astrophysical Research Consortium

Corporate Office and Management:

Astrophysical Research Consortium
c/o Department of Astronomy, Box 351580
University of Washington
Physics/Astronomy Bldg. Rm C321
Seattle, Washington 98195-1580
Tel: 206-685-7857 Fax: 206-543-9850

Board of Governors and Project Administrations