Image Acquisition Information                      

 

                               Telescope:   16" RCOS Ritchey-Chretien Telescope (ion milled at f/9) 

                               Camera:       SBIG STL-6303 M

                               Guiding:       Astrodon  MOAG AOG (SBIG 237 with .65 FLR)

                               Filters:        Astrodon L, R, G, B

                               Mount:        Software Bisque Paramount ME

                               Acquisition Programs:   The Sky,CCDAutopliot III, CCD Soft. 

                               Processing Programs: CCDStack, Maxim DL, Photoshop

                               Date:Sept 9 -Sept 16, 2007                              

                               Time:30 x 20 min for L (10 hrs) and  20 x 20 min for RGB ( 20 hrs).                

                               Processing:  CCD Stack and PhotoShop CS/2

 

Image Information:  NGC 6946, at 10 million light years distance, is known for it's unusually large number of supernovas.

Processing Comments:  The image is an RGB Color image, combined in Maxim DL.  L and RGB combined in Photoshop CS2. Data stretching (curves) and further processing (minimal) in Photoshop CS/2. Image intentionally under processed to decrease artifact.

 

 

 

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