NGC 2237-9/46 – January 31, 2009
Constellation: Monoceros
Location: Death Valley National Park, CA
Optics: Borg 77EDII at f/4.3 on HEQ5 mount
Camera: Canon 20Da
Exposures: 58 RAW light frames of 90 seconds, ISO 800.
Process: Calibrated with 30 dark frames and 20 flat frames in ImagesPlus. Combined using MinMax Excluded. Colour balance in Photoshop.