Ground based optical:

• European Southern Observatory
• National Optical Astronomy Observatories
• Canada-France-Hawaii Telescope
• La Palma
• W.M. Keck Observatory

Ground based radio:

•  National Radio Astronomy Observatory (general)
•  Very Large Array
•  Westerbok Synthesis Radio Telescope

Space:

• Space Telescope Science Institute
• FUSE: Far Ultraviolet Spectroscopic Explorer
• XMM Science Operation Centre
• Chandra X-Ray Observatory Center
• Spitzer Science Center