Here is another narrowband version of the Rosette Nebula, this time using the CFHT Palette (Canada France Hawaii Telescope) technique, the channels are assigned with H-Alpha = Red, OIII = Green, SII = Blue, captured over 2 nights on the 22nd October and 7th November 2012 from my backyard observatory in Fremont. see crop Total Exposure time 6 hours Exposures: SII 8nm, OIII 8.5nm, H-Alpha 3nm 4x30 min each 1x1 Optics: TMB92SS F5.5 506mm Camera: QHY9M monochrome CCD Guiding: SX OAG with lodestar Mount: Paramount GT1100S Acquisition: Maxim DL Calibration and Stacking: CCDStack Post Processing: CS5 Clear Skies Terry