page 20 ngc 3628 lrgb

































                       Astrophotography by Keith B. Quattrocchi
 
 
                              To View the APOD Version (May 15, 2008), Please Click Here to Be Redirected
















               NGC 3628
                    Edge on Spiral Galaxy in Leo
               LRGB Image
 
                          Published:
                      APOD May 15, 2008
                 Astronomy: "Deep Sky Treats" by James O'Meara (pg 58): October  
                              Astronomy : "Spectacular Universe" 2011, pg 35
                    Copyright 2008
                    Keith B Quattrochi 
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ngc3628.final.kbq.jpg




                                      Image Acquisition Information                      
 
                               Telescope:   16" RCOS Ritchey-Chretien Telescope (ion milled at f/9) 
                               Camera:       SBIG STL-6303 M
                               Guiding:       SBIG AOL,  Astrodon  MOAG AOG (SBIG 237 with FLR)
                               Filters:        Astrodon L. R. G, B
                               Mount:        Software Bisque Paramount ME
                               Acquisition Programs:   The Sky,CCDAutopliot III, CCD Soft. 
                               Processing ProgramsCCDStack, Maxim DL, Photoshop
                               Date: April 24 - May 1, 2008                              
                               Time: 15x20 min ( 5 hours) each for L, R, G, B: total 20 hrs                           
                               Processing:  CCD Stack and PhotoShop CS/3
 
Image Infornmation:  Edge on spiral galaxy in Leo at about 35 million light years distant.  The distorted shape of the galaxy is felt to be due to the interaction of NGC 3628 and it's neighbors, M66 and M65.  In  the upper left the "tidal tail" can be faintly seen.  This is beleived to be made up of small blue stars in large clusters, formed by gravitational tidal forces from these nearby galaxies.   
Additional Comments:  Image processing with CCDStack, producing an RGB.  The RGB and Luminance images were combined in Photoshop CS/3.   Furthere data stretching, high pass filtering and background smoothing (Kodac Gem) performed with Adobe Photoshop CS/3.
 
 
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