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OMEGA Centauri - NGC 5139

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Omega Centauri (ω Cen), or NGC 5139, is a globular cluster in the constellation of Centaurus that was first identified as a non-stellar object by Edmond Halley in 1677. Located at a distance of 15,800 light-years (4,850 pc), it is the largest globular cluster in the Milky Way galaxy at a diameter of roughly 150 light-years. It is estimated to contain approximately 10 million stars and a total mass equivalent to 4 million solar masses. Omega Centauri is so distinctive from the other galactic globular clusters that it is thought to have an alternate origin as the core remnant of a disrupted dwarf galaxy [wiki]

Photo Details

  Telescope: FSQ106EDX (530 mm) Takahashi

  Camera: ST-8300M, Sbig Filter wheel, Baader 36mm round HLRGB filters

  Mount: G11 GT Celestron branded

  Guiding: Off-axis, Orion SS Autoguider

  Exposure: LRGB 6x480sek each

  When: June 2013

  Other information: Tivoli Farm, Namibia

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