Here is another narrowband version using the CFHT Palette Canada-France-Hawaii Telescope H-Alpha is assigned to the red channel, OIII is assigned to the green channel and SII is assigned to the blue channel. Total Exposure time 17.3 hours Thanks for looking All the Best & Clear Skies Terry Down Under Observatory Down Under Observatory on Facebook YouTube Location: DownUnder Observatory, Fremont MI Date of Shoot 13th, 18th, 21st, 22nd and 23rd June 2012 Exposure: H-Alpha 9x40 mins, OIII 10x40 mins , SII 7x40 mins unbinned Camera: QHY9M monochrome CCD, cooled to -30C www.astrofactors.com StarlightXpress Color Filter Wheel Scope: Astronomy Technologies Astro-Tech 10" f/8 Ritchey-Chrétien astrograph Astro Tech 2" Field Flattener. Autoguided using QHY5 autoguider, StarlightXpress Ultra Slim Off Axis guider Paramount GT-1100S German Equatorial Mount (with MKS 4000) Image Aquisition software Maxim DL5 Stacking software CCDStack Post Processed with Photoshop CS5