The Witches Broom or Western Veil Nebula.
Western Veil nebula. This image is mapped to the Hubble Telescope Pallet.
Total of 13 hours 40 minutes imaging using three Narrowband filters. 24 Ha x 20mins, 10 Oiii x 20mins, 7 x Sii 20mins, stacked in Deep Sky Stacker then processed in Photoshop CS5.
This was taken over several weeks due to the Full Moon.
The same Image below taken few weeks earlier using Red/Green/Blue Filters and standard RGB Colours when processed.