Astrophotography by Keith B. Quattrocchi


M1: The Crab Nebula
 Supernova Remnant in Taurus
Narrow Band in SHO Palette  

Copyright 2025
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 January 2021.  Data acquisition: December 2020                             
Time:  8 hours (10 minute exposures) for each of Ha, SII. OIII and LRGB (starfield) for a total of 48 hours.                              

Image Information: M1: The Crab Nebula is a Supernova Remnant in Taurus

Processing Information  This Ha/SII/OIII images were obtained using  AstroDon filters.  The Ha/S-II/OIII images were batch processed (calibrated, registered, normalized and integrated) in PixInsignt.   The SHO image was further processed in Photoshop.  Further stretching, high pass filtering and background smoothing was performed with Adobe Photoshop CS/4 and PixInsight.