I decided to combine that unfiltered luminance data of the Crab I took last weekend under the exceptional seeing conditions with some Emission line color and RGB color data to make some L-S2HaO3 and L-RGB versions
here they are:
http://www.narrowbandimaging.com/m1_...camel_page.htm
direct link to the L-S2HaO3:
http://www.narrowbandimaging.com/ima...6h45m_svga.jpg
direct link to the L-RGB:
http://www.narrowbandimaging.com/ima...10min_svga.jpg