Palomar 48 Inch Telescope
(P48, Palomar 48, Samuel Oschin Telescope, Schmidt Oschin Telescope)
(48 inch telescope at Palomar Observatory)
The Palomar 48 Inch Telescope (Samuel Oschin Telescope)
is a 48 inch (1.2 meter) Schmidt camera at Palomar Observatory
in southern California.
It opened in 1948 after nearly ten years in construction.
It originally used photographic plates but now uses
a CCD camera that covers a 4 degree by 4 degree field of view,
and was used to carry out the Palomar Observatory Sky Survey.
A later survey was the Palomar-Quest Sky Survey
(aka Palomar-Quest Survey) of transients.
It is currently used for the Palomar Transient Factory, and automated.
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Palomar Observatory Sky Survey (POSS)
Palomar Transient Factory (PTF)