_FHP4561-Edit
At Caltech it took nearly 12 years to grind and polish the mirror, a process that left the mirror 5.5 tons lighter. The mirror finally arrived at Palomar Mountain in November 1947.
NIKON CORPORATION NIKON D300, f/11 @ 18 mm, 1/500, ISO 200, No Flash
© Copyright 2009 Fred Henstridge Photography
