Kitt Peak National ObservatoryW
Kitt Peak National Observatory
ARO 12m Radio TelescopeW
ARO 12m Radio Telescope
Bok TelescopeW
Bok Telescope
Dark Energy Spectroscopic InstrumentW
Dark Energy Spectroscopic Instrument
Nicholas U. Mayall TelescopeW
Nicholas U. Mayall Telescope
McMath–Pierce solar telescopeW
McMath–Pierce solar telescope
MDM ObservatoryW
MDM Observatory
Very Long Baseline ArrayW
Very Long Baseline Array
Warner and Swasey ObservatoryW
Warner and Swasey Observatory
WIYN ObservatoryW
WIYN Observatory