For a full size image click here. Distance: 16,000 Light YearsMagnitude: 3.68Size: 36.3 Arc MinutesAge: 12 Billion YearsTelescope: Takahashi TOA-130Camera: QSI 683Mount: AP 900Exposure: L 20×60 Bin 1, RGB 20×30 Bin2 NGC 5139 is a globular cluster in the constellation Centaurus. It is the largest globular cluster in our galaxy at 36.3 arc minutes in […]