Ghosts of comets missed.
Software: Adobe Photoshop Lightroom 4.3 (Windows);
Compilation of five photos shot with Nikon V1 and 85/2 AIS Nikkor while waiting for comet PANSTARRS on March 13, 2013 (never saw it here in Texas).
This outside wall of the corner beer joint, across the street from my apartment, is one of my favorite places to try for ghosted-blurred silhouettes of folks passing by. The nighttime light is perfect for this.