Barnard’s Loop
The nebulae Sharpless2-264 and Barnard’s Loop (Sh2-276) are revealed in this two-hour-long-exposure. A faint glow of the Witch Head Nebula can be seen in the lower right corner of this image.
Date: January 27, 2009
Location: Mojave National Preserve, CA
Optics: Canon EF 17-40mm f/4L USM used at 40mm
Camera: Canon 20Da on HEQ5
Exposures: 24 RAW light frames of 5 minutes, ISO 800.
Process: Calibrated with 15 dark frames and 20 flat frames in ImagesPlus. Combined using MinMax Excluded. Colour balance in Photoshop.