Name	URL
National Solar Observatory (NSO; New Mexico)	http://argo.tuc.noao.edu/
Royal Greenwich Observatory (RGO; England)	http://www.ast.cam.ac.uk/RGO/
National Optical Astronomy Observatories (NOAO; Arizona)	http://www.noao.edu/noao.html
Anglo-Australian Observatory (Epping, Australia)	http://www.aao.gov.au/
Gemini 8-meter Telescopes (Hawaii & Chile)	http://www.gemini.edu/
Infrared Telescope Facility (IRTF; Hawaii)	http://sirtf.caltech.edu/index.shtml
Apache Point Observatory (New Mexico)	http://www.apo.nmsu.edu/
European Southern Observatory (ESO; Germany & Chile)	http://http.hq.eso.org/eso-homepage.html
Large Binocular Telescope (LBT; Arizona)	http://abell.as.arizona.edu/~hill/rfp/
Mauna Kea Observatories (Hawaii)	http://www.ifa.hawaii.edu/mko/