Film positive (7 3/4" x 9 7/8") Nebula N.G.C. 4565
- Made:
- 1923 in Mount Wilson
Film positive (7 3/4" x 9 7/8") Nebula N.G.C. 4565, exposure 5 hours, 60-inch Telescope, enlarged 7/5 diam
Film positive (7 3/4" x 9 7/8") Nebula N.G.C. 4565, exposure 5 hours, 60-inch Telescope, enlarged 7/5 diam