John Irwin Slide Collection

View of Cerro Tololo Inter-American Observatory (CTIO)
View of Cerro Tololo Inter-American Observatory (CTIO)
Aerial view of Cerro Tololo Inter-American Observatory (CTIO)
View of two 16-inch domes at Cerro Tololo Inter-American Observatory (CTIO)
Lowell 24-inch telescope on the old Carso site at Cerro Tololo Inter-American Observatory (CTIO)
View of Cerro Tololo Inter-American Observatory (CTIO)
Aerial view of the SOB building at Cerro Tololo Inter-American Observatory (CTIO)
View of the domoritories at Cerro Tololo Inter-American Observatory (CTIO)
Sign at the base of Elqui Valley indicating road to Cerro Tololo Inter-American Observatory (CTIO)
Aerial view of the camps at Cerro Tololo Inter-American Observatory (CTIO)
View of Cerro Tololo Inter-American Observatory (CTIO) and Carso
View of Cerro Tololo Inter-American Observatory (CTIO) and Cinchado
Stock of the 16-inch telescope at Cerro Tololo Inter-American Observatory (CTIO)
View from tower at Cerro Tololo Inter-American Observatory (CTIO)
Rising of a tower at Cerro Tololo Inter-American Observatory (CTIO)
A "party" at Cerro Tololo Inter-American Observatory (CTIO)
Pachon station (AFM) at Cerro Tololo Inter-American Observatory (CTIO)
Attendees at the AURA dedication at Cerro Tololo Inter-American Observatory (CTIO)
Jim Miller Cueca attending the 16-inch dedication at Mayall joins in 16-inch dedication at Cerro Tololo Inter-American Observatory (CTIO)
Mayall joins in 16-inch dedication at Cerro Tololo Inter-American Observatory (CTIO)

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