Omega Centauri or NGC 5139


Ronald Piacenti Jr.

Brasilia-DF, Brazil

Telescope: Celestron Schmidt-Cassegrain (SCT) 150/1500 mm C6,
Mount: SkyWatcher HEQ5 Pro
Camera: Canon EOS T3i
Focal reducer Celestron 0.63x 1.25″

Omega Centauri (ω Cen or NGC 5139) is a globular cluster in the constellation of Centaurus. It is the largest globular cluster in the Milky Way at a diameter of roughly 150 light-years.