Image Acquisition Information
Telescope: 16" RCOS Richey Chretien Telescope (ion milled at f/9)
Camera: SBIG STL-6303
Guiding: SBIG AOL
Filters: Astrodon LRBG Filters
Mount: Software Bisque Paramount ME
Acquisition Programs: The SkyX, CCDAutopilot 5, FocusMax
Processing Programs: CCDStack, Photoshop CS4.
Date: Data processed May 19, 2018. Data aquisition: April
Time: 8 x20 min 2.66
hours) for each of L,R,G,B for a total of 10.66
Processing: CCD Stack and PhotoShop CS/4
Image Infornmation: NGC 4725 is a barred spiral galaxy in Coma Berenices.
Processing Infornmation This LRGB images were obtained using AstroDon filters. The LRGB images were assembled in CCDStack.
The assembled image and a Luminence were recombined in Photoshop. Further stretching, high pass filtering and background
smoothing was performed with Adobe Photoshop CS/4. All data stretching was by without DDP CCD Stack and then further
stretching with curves/levels in photoshop.