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Astrophotography by Keith B. Quattrocchi

M81
Spiral Galaxy in Ursa Major
LRBG

                    
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 and Astrodon RBG Filters
Mount: Software Bisque Paramount ME
Acquisition Programs: The Sky,CCDAutopliot IV, CCD Soft. 
Processing Programs: CCDStack, Maxim DL, Photoshop
Date: Data processed August 15, 2013.  Data aquisition: June 3, 2013-June 30, 2013                              
Time: 12 x30 min ( 6 hours) each for each of L, R, G, B:
Total of  24 hours imaging time.                              
Processing:  CCD Stack and PhotoShop CS/3

Image Infornmation:  M81 is a spiral galaxy in the constelation Ursa Major. 

Processing Infornmation  This LRGB-Ha image was obtained using  AstroDon LRGB filters.  This image was a standard LRGB construct performed in CCDStack.  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.   

Contact

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)