Page 14 IC 1805 Composit NB and RGB

                         Astrophotography by Keith B. Quattrocchi

To View the APOD Version (july 26, 2008), Please Click Here to be Redirected

               IC 1805/Melotte 15 
               Central Region of the Heart Nebula in Cassiopia 
             Composite RGB and Narrow Band Image
                 APOD:  July 26, 2008


                                      Image Acquisition Information                      
                               Telescope:   16" RCOS Ritchey-Chretien Telescope (ion milled at f/9) 
                               Location:     The Lost Valley Observatory, loated at Sierra Remote
                                                 Observatories in the Sierra Nevada Mountains of California 
                               Camera:       SBIG STL-6303
                               Guiding:       Astrodon  MOAG AOG (SBIG 237 with .65 FLR)
                               Filters:        Astrodon L, R, G, B, Ha, SII, OIII
                               Mount:        Software Bisque Paramount ME
                               Acquisition Programs:   The Sky,CCDAutopliot III, CCD Soft. 
                               Processing ProgramsCCDStack, Maxim DL, Photoshop CS3
                               Date:: November 28-December 31, 2007                              
                               Time: 24 hours total:  12x20 min for each of R,G,B Ha, SII, OIII   
                               Processing:  CCD Stack and PhotoShop CS/3
Image Information:  IC 1805 is the designation of a young star cluster and the emission nebula surrounding it.  The stars just to the right of center are an open star cluster, known as Melotte 15, named after their discoverer.  They are emiting UV light which is illuminating the larger nebulosity.   
Processing Comments:  The Narrow Band Image was assembled using the Hubble Palette (SII, Ha, OIII).  The color image was assembled in Maxim DL and overlayed with the Narrow B and using PS CS/3.  Further processing, such as data stretching, high pass filtering and smoothing performed using PS CS/3. 

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