Astrophotography by Keith B. Quattrocchi


M104:  Sombrero Galaxy
Elliptical Galaxy in Virgo
LRGB Image

Copyright 2021
Keith B Quattrocchi and Bray Falls

Image Acquisition Information  
                    
Telescope: 16" RCOS Richey Chretien Telescope (ion milled at f/9) 
Camera: ZWO Full Frame Back Illuminated CMOS ASI 6200 MM
Guiding: Starlight Xpress AO with UltraStar Autoguiding Camera (AO control using maxim DL software).
Filters: Astrodon LRBG, H-alpha, S-II and OIII Filters
Acquisition Programs: NINA, The SkyX, PHD2, PWI4
Processing Programs: PixInsight, RC Astro, CCDStack, Photoshop CS4
Date: Data processed on May 15, 2021.  Data acquisition:  April of 2021                            
Time:  7 hours (10 minute exposures) for each of LRGB  for a total of 28 hours.                
              
Image Information:  M104 (Sombrero Galaxy) by Keith Quattrocchi and Bray Falls: May 15, 2021 (LRGB) - Total imaging time of 30 hours
Processing Information: These Ha/SII/OIII + RGB images were obtained using AstroDon filters.  The Ha/SII/OIII + RGBB images were batch processed (calibrated, registered, normalized and integrated) in PixInsignt.   Further stretching, high pass filtering and background smoothing was performed with Adobe Photoshop CS/4 and PixInsight.