NGC 5138 (Omega Centauri)

Omega Centauri ( mosaic)

NGC 5138  (Omega Centauri)

The largest and the brightest of all the globular clusters, extends out to about 1 degree across and 17000 LY distance.

It is thought that this cluster is the left over of a dwarf galaxy, at 230 LY diameter, it is about 10 times more massive than a typical globular cluster.


Telescope.  16 inch F4.5 Newtonian.

Camera.  S Big ST 4000 XCM OSC CCD.

Exposure & Time.  9 x 300 sec (5)   May 2014

Location.  (Wiruna) Ilford N.S.W.