Trifid Nebula in Sagittarius
- Made:
- 1899; 1912 in Mount Hamilton
- maker:
- Royal Astronomical Society
Trifid Nebula in Sagittarius, Lick Observatory, 1899, July 6, R.A., 17h 54m Decl, - 23 degree 2', Crossley reflector, aperture, 36" in, focal length, 17ft, 6in, exposure, 3 hours, enlarged 4.1 diam.