The Witch's Broom Nebula (NGC 6960) also known as the Western Veil is a very fascinating part of the sky to image. Despite the nebula being relatively bright (about a magnitude 7), its difficult to see with the naked eye. Imaging in Hydrogen Alpha helps bring out a lot of the tendril details.
Witch's Broom Nebula
Witch's Broom Nebula - AstroSystems N8 (8" Newtonian, 700mm focal length, f/3.6), Apogee U8300, Ha (60 mins), R, G, B (30 mins each), total 2.5 hours. CCDStack and Photoshop CS5 for processing.