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Astrophotography by Keith B. Quattrocchi

NGC 7635
Emission Nebula in Cassiopeia
Composite NB-LRGB Image

          

                   
Copyright 2013
Keith B Quattrocchi


Picture

Image Acquisition Information
                      

                              
Telescope: 16" RCOS Richey Chretien Telescope (ion milled at 6/9) 

Camera: SBIG STL-11000
Guiding: SBIG 402
Filters: Astrodon Ha, SII OIII and Astrodon LRBG Filters
Mount: Software Bisque Paramount ME
Acquisition Programs:  The Sky,CCDAutopliot IV, CCD Soft. 
Processing Programs: CCDStack, Maxim DL, Photoshop
Date: Data processed August 16, 2013.  Data aquisition: August 5, 2013-August 15, 2013                              
Time: 14 x30 min ( 7 hours) for each of Ha, SII, OIII, L, R, G and B
Total of  49 hours imaging time.                              
Processing:  CCD Stack and PhotoShop CS/4

Image Infornmation:  M81 NGC 7635 is an emission nebula in Cassiopeia. 

Processing Infornmation  This Composite Narrow Band and LRGB image was obtained using  AstroDon NB and LRGB filters.  The NB and LRGB images were assembled in CCDStack.  The NB and LRGB images were then compined in Photoshop.  Further stretching, high pass filtering and background smoothing was performed with Adobe Photoshop CS/4.  All data stretching was by minimal stretching with gamma and DDP in CCD Stack and then further stretching with curves/levels in photoshop.   




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Website Addresses:
www.lostvalleyobservatory.com
www.thelvo.com
www.thelostvalleyobservatory.com
The Lost Valley Observatory
Located at Sierra Remote Observatories
Auberry, California


Copyright 2004-2021
Keith B Quattrocchi
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  • Home
  • About the LVO
  • Live Telemetry
  • Galaxies
  • Nebulae
  • Publications
  • YouTube Videos
  • LVO Construction
  • Review Articles
  • _ _ _ _ _ _ _ _ _ _ _ _ _ _ Archived from The MAS Observatory:
  • MAS Observatory
  • MAS RC Images
  • MAS Takahashi Images
  • MAS LX-200 Images
  • M33
  • NGC 7293 (Helix Nebula)
  • Horsehead Nebula
  • Melotte 15
  • NGC 1435
  • M27 (Dumbbell Nebula)