The famous globular cluster Omega Centauri, NGC 5139.
Date: September 11 , 2010
Constellation: Centaurus
Location: Parque Nacional La Campana, Chile, S33.003 W71.127, elevation: 370 metres.
Optics: Borg 77EDII at f/4.3 on Takahashi EM-11 Mount
Camera: Hutech modified Canon EOS 5D Mark II
Exposure: 11 RAW light frames of 90 seconds, ISO 800
Processing: Light frames calibrated with dark frames and flat frames in ImagesPlus. Light frames combined using MinMax Excluded.