Glass positive:- Dark Nebula in Sagittarius

Made:
1922 in Mount Wilson
maker:
Hinton and Co.

Glass positive:- Dark Nebula in Sagittarius, Barnard 92, R.A., 18h 11m, decl,-18 degrees 15', Mount Wilson Observatory, 1922, June 24, 100-inch Reflector, focal length, 42ft, exposure, 4 hours see 1912-456, 17" x 14"

Details

Category:
Astronomy
Object Number:
1929-770
Materials:
glass
type:
black-and-white transparencies, astrophotographs and nebulae
credit:
Hinton and Co.