Globular star cluster (a Centauri)
- Made:
- 1903 in Cape of Good Hope
- maker:
- Science Museum
Globular star cluster (a Centauri), N.G.C. 5139, R.A. 13h 19m, Decl, - 46[o] 19', Royal Observatory, Cape of Good Hope, 1903, February 19, 24-inch Refractor, focal length, 22 1/2ft, exposure, 509 min