This is a composite image showing a pass of the International Space Station on June 22, 2011, the night after summer solstice night, taken from my home in southern Alberta. This is from a stack of 28 18-second exposures at f/4 with the 8mm Sigma fish-eye lens and Canon 5D MkII camera at ISO 1600. North is at the bottom, west to the left and east to the right. some dim aurora is at lower right in the NE. The images were stacked with Chris Schur’s Photoshop Action for creating star trails.
The Amazing Sky 