Page 10 Halpha NGC 281

































                       Astrophotography by Keith B. Quattrocchi
















               NGC 281
               Pac Man Nebula in Cassiopia 
             H-alpha Image
 
                        Copyright 2009
                            Keith B Quattrocchi

ngc281webhadeconvolvedscaled.ps.highpass.jpg




                                      Image Acquisition Information                      
 
                               Telescope:   16" RCOS Ritchey-Chretien Telescope (ion milled at f/9) 
                               Camera:       SBIG STL-6303
                               Guiding:       Astrodon  MOAG AOG (SBIG 237 with .65 FLR)
                               Filters:        Astrodon H-alpha
                               Mount:        Software Bisque Paramount ME
                               Acquisition Programs:   The Sky,CCDAutopliot III, CCD Soft. 
                               Processing ProgramsCCDStack, Maxim DL, Photoshop
                               Date:: October 14-October 31, 2007                              
                               Time: 24x20 min ( 8 hours) of Ha:  total 24 hrs                           
                               Processing:  CCD Stack and PhotoShop CS/2
 
Image Information:  The Pac Man Nebula is an emission nebula energized by a nearby open star cluser.  It primarily is an HII emitter.  The dark "Bok" nodules are believed to contain protostars.. 
Additional Comments:  Minimal Processing, primariuly with curves/Levels and High Pass  filering used in PS CS/2.  
 
 
 
 
.

Return to the Image Gallery: Page 1

Return to Lost Valley Observaory Homepage