Date: September 11, 2010
Location: Parque Nacional La Campana, Chile, S33.003 W71.127. Elevation: 370 metres.
Optics: Canon EF 17-40mm f/4L USM
Camera: Hutech modified Canon EOS 5D Mark II on Takahashi EM-11 Mount
Exposure: Four RAW light frames of 120 seconds, ISO 800
Processing: Light frames calibrated with dark frames and flat frames in ImagesPlus. Light frames combined using MinMax Excluded.