I cobbled together a color version of NGC2903 the past few nights
I have a lot more red data than I do blue and green but it came out OK so I
may stop now
here's where to find it:
http://www.narrowbandimaging.com/ngc..._crgb_page.htm
it is a total of 95 x 5 minutes
47 x 5 minutes was unfiltered luminance and the rest was RGB