Photograph: film positive

Made:
1919 in Mount Wilson

Photograph: film positive, 7 1/2" x 3 1/2", stereoscopic picture of Copernicus, taken with the 100-inch Hooker Telescope of the Mount Wilson Observatory 134-foot Cassegrain focus, 1919 August 5, 1919 September 15, size of image 5 3/8" x 3" Bromide print of same

Details

Category:
Astronomy
Object Number:
1921-611
type:
black-and-white transparencies, astrophotographs, stereoscopic photographs and moon
credit:
Mount Wilson Observatory