https://farm8.staticflickr.com/7484/15628174323_47c8787543_z.jpg Rosette Nebula by Jeffrey Sines , on Flickr bi-color narrowband image, 12x900 Ha, 11x900 OIII, (5.75 hrs total) captured with an SBIG ST-8300M, Baader filters, through an Orion ED80T, on an Orion Sirius mount in a white zone of light ...