Part of Kitt Peak National Observatories (KPNO) complex. The 4-meter (158 inch) Nicholas U. Mayall Telescope was one of the largest optical telescopes in the world.
Our offices are strictly by appointment only.
Tel : +1 760-303-7171
Email : [email protected]
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Amateur astronomy magazine’s blog with telescope reviews and buying guide. Astronomy resources directory listing websites and US observatories.