National Geographic Society, Palomar Observatory Sky Survey (NGS-POSS) photographs, 1954 - 1977, 1954 - 1960.

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National Geographic Society, Palomar Observatory Sky Survey (NGS-POSS) photographs, 1954 - 1977, 1954 - 1960.

This collection consists of photographs from the National Geographic Society Palomar Observatory Sky Survey (NGS-POSS). From 1948 to 1958 astronomers at the California Institute of Technology's Palomar Observatory used a 48-inch Schmidt Telescope to create this sky survey, at the time the most advanced sky survey ever. The survey detected objects of a magnitude of +22, one million times fainter than the limits of human vision. The NGS-POSS collection of photographic negative prints was published multiple times through the 1950s-1970s and scanned into the Digitized Sky Survey in the 1990s. The collection includes a set of prints measuring 14x17" from the photograph atlas, as well as a written survey guide and catalog of plates.

8.0 linear feet (10 boxes)

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Palomar Observatory

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Palomar Observatory is located in Pasadena, California, and is owned and operated by the California Institute of Technology. Built in 1928, it boasts several telescopes. However, the most famous is the 200-inch Hale Telescope built using a Pyrex blank manufactured by Corning Glass Works. The Hale Telescope was installed in 1948 and became fully operational and open to researchers in 1950....

Online Archive of California

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