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
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.