Page 1: Bubble

































                       Astrophotography by Keith B. Quattrocchi
















                    NGC 7635
                    Bubble Nebula in Cassiopeia
                    H-alpha Image
                              Copyright 2007
                              Keith B Quattrocchi

bubble.web.hax12.deconvolved.maxstretchps.crop.jpg




                                      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)
                               Filter:          Astrodon H-alpha
                               Mount:        Software Bisque Paramount ME
                               Acquisition Programs:  The Sky,CCDAutopliot III, CCD Soft. 
                               Processing ProgramsCCDStack, Maxim DL, Photoshop
                               Date:June 3-4, 2007                              
                               Time: 18 x 20 minutes ( 6 hours)                            
                               Processing:  CCD Stack and PhotoShop CS/2
 
This Image:  The Bubble Nebula (NGC 7635) is the result of a star some 40 times the size of our Sun ejecting material into space.  The bubble is 6 light years wide and is some 7000 light years form the Earth. 
Processing Comments:First Light Image at the Lost Valley Observatory,  Telescope not yet properly collimated and without a T-Point Model. Seeing was about 1.8 arc-sec.  Minimal processing, using CCD Stack abd PS for image data stretching and smoothing.
 
 
 
 
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