Astrophotography by Keith B. Quattrocch

NGC 4565
 Edge-on Spiral Galaxy in Coma Berenices 
Ha/LRGB Image 

Copyright 2021 
Keith B Quattrocchi and Bray Falls

Image Acquisition Information  
                    
Telescope: 16" RCOS Richey Chretien Telescope (ion milled at f/9 with 3658 FL) 
Planewave L-500 
Camera: ZWO 6200MM Pro (CMOS, back illuminated)
Guiding: Zwo ASI174
Obtec Gemini Focusing Rotator
Filters: Astrodon Gen 2 LRBG Filters and NB Filters
Starlight Xpress 9 position FW
Computer: Custom PrimaLuceLab Eagle Pro (modified with 62 RAM and a 4TB internal SSD)
Acquisition Programs: The SkyX, CCDAutopilot 5, FocusMax 
Processing Programs: CCDStack, Photoshop CS4.
Date: April of 2021                                                      
Programs: PixInsight, NINA and CCD Stack

​Image Information:  NGC 4565 is a popular edge on spiral galaxy, approximately 30 million light years distant, in Coma Berenices. Due to its shape it is also referred to as the Needle Galaxy. The central region is made up of older stars with younger blue stars in the periphery. NGC 4565 is some 100,000 light years in diameter NGC 4565 and has an active galactic nucleus, with a central supermassive black hole

Processing Infornmation  This LRGB images were obtained using  AstroDon filters.  The LRGB and Ha images were assembled in CCDStack.  The assembled image and a Lumiance were recombined in Photoshop.  Further stretching, high pass filtering and background smoothing was performed with Adobe Photoshop CS/4.  All data stretching in Adobe Photoshop CS4.