Taken with a Monochrome Imaging Source CCD camera on an 8" Newtonian at F20. IR filtered Luminance, Red, Green, Blue filters used. The Color photos are synthesized from combinations of the four central pictures. so, LRGB is from Luminance, Red, Green, Blue filters. RR(G)B is using Red as Luminance and Red, Blue as blue and Green is synthesized from an average of the Red and Blue images.