A wide field image of Canis Major with bright Sirius and the open cluster M 41.
Date: January 25, 2009
Location: Mojave National Preserve, CA
Optics: Canon EF 17-40mm f/4L USM used at 40mm
Camera: Canon 20Da on HEQ5
Exposures: One single RAW light frame of 7 minutes at ISO 800.