This series of M16 images was created by mapping different wavelengths to the RGB channels. Which colour palette do you think works best?
Televue NP127is Refractor @ f/7.8 (1.5x extender), QSI683wsg camera, Astronomic SII, H alpha, OIII and Blue filters.
Higher resolution versions:
http://www.flickr.com/photos/mlparkinson/8246634156/