Film positive (9 7/8" x 7 3/4") nebula N.G.C. 5866
- Made:
- 1923 in Mount Wilson
Film positive (9 7/8" x 7 3/4") nebula N.G.C. 5866, exposure 2 3/4 hours, 60-inch Telescope, enlarged 11.4 diam.
Film positive (9 7/8" x 7 3/4") nebula N.G.C. 5866, exposure 2 3/4 hours, 60-inch Telescope, enlarged 11.4 diam.