Shoemaker-Levy 9 , at the time captured by and orbiting Jupiter , was located on the night of March 24 , 1993 , in a photograph taken with the 40 cm ( 16 in ) Schmidt telescope at the Palomar Observatory in California .
It was found in a picture taken by the 40 centimetres ( 1 ft 4 in ) Schmidt telescope at the Palomar Observatory , in California .