Kitt Peak

The Nicholas U. Mayall  4 meter (158″) Telescope

Currently The Dark Energy Spectroscopic Instrument (DESI) will measure dark energy on the expansion of the universe. Click on  Kitt Peak live cam

I am very fortunate to live close to  Kitt Peak  National Observatories NOAO and have made

friends with Hal Halbedel who has lived on the mountain since he got back from Viet Nam

in 1970 and has run the operation of most of the scopes.

The revised concept for the Mayall 4-meter telescope building at the Kitt Peak National Observatory, in a cutaway drawing made by A.R. King.

Hal checking filters for observing run

 16″ LX200 in Visitor Center Dome