User’s Photo Gallery No 1 Astro Images A place for your best Astro images. Omega CentauriA globular cluster in the constellation of Centaurus approximately 17,090 light-years away with a diameter of 150 light years and contrains ~10million stars. Image by Peter Stuart. Omega Centauri Swan / Omega Nebula7 hours of data over 3 nights. Dave manning Swan / Omega Nebula Page 1 of 11