M27 LRGB
18" F3.54 AGO
Netwonian
Astrograph
M27 LRGB
Image acquisition date: November 7, 2010.
Camera: SBIG STL6303E
Filters: AstroDon LRGB
Camera control software: CCDSoft
Camera temperature: -20C
Telescope: AGO 18" F 3.54 Astrograph.
Telescope control software: TheSky6, Focusmax
Mount: Paramount ME
Total exposure time:
148 minutes total exposure: 30 min L, 38 min R, 34 min G, 46 Min B
Image scale 1.15 arc sec per pixel
Processing: CCDStack2, Photoshop CS5.