Sunset at Horseshoe Canyon, Cypress Hills Interprovincial Park, Alberta, on August 11, 2013. This is a 7-image HDR stack at 2/3rds stop increments, stacked in HDR Pro in Photoshop. Shot with the Canon 60Da and 135mm lens at f/6.3 and ISO 100.
Astronomy author and photographer Alan Dyer presents amazing sky sights
The Amazing Sky 