A boat pond at Lenton, Lincolnshire.
This is 137 photos stacked together using Adobe Photoshop CS5 to create the final startrails shot.
Each shot was at the following settings: 16mm, 15 seconds, f/2.8, ISO 3200 with a 3 second interval between them.
Canon 5D MK II
Canon EF 16-35mm f/2.8L USM MK II