Apache Point Observatory

Astrophysical Research Consortium and private universities

Public universities

Gemini Observatory

International partners

NSF through AURA

HET

Stanford University

University of Texas, Pennsylvania State University, Ludwig Maximilians Universität, and Georg August Universität

IRTF

NASA and NSF through University of Hawaii

Keck Observatory

Caltech

University of California

NASA

KPNO 4 m and CTIO 4 m

NSF through AURA/NOAO

LBT Observatory

Research Corporation, University of Notre Dame

University of Arizona, Arizona State University, Northern Arizona University, Ohio State University, University of Minnesota, University of Virginia, and international partners (Germany and Italy)

Magellan Observatory

Carnegie Observatories, Harvard University, MIT

University of Arizona, University of Michigan

MMT Observatory

University of Arizona

Smithsonian

Palomar Observatory

Caltech

Cornell University

NASA/JPL, NOAO

SALT

American Museum of Natural History, Dartmouth College, Carnegie Mellon University

Rutgers University, University of Wisconsin, University of North Carolina, HET partners

SOAR Telescope

Universities

Federal Republic of Brazil (MCT), University of North Carolina, Michigan State University

NOAO