M27 Ha
18" F3.54
Astrograph
18" F3.54
Astrograph
Image taken with an 18" F 3.54 newtonian astrograph. I am testing this telescope for the
manufacturer, AG Optical Systems, owned by Dave Tandy. The telescope is set up in my
observatory between my two permanent mounts on a temporary pier. The telescope and its
associated equipment is still being tweaked, but the results are very promising.
Image acquisition date: October 15, 2010.
Camera: SBIG STL6303E
Filters: AstroDon Ha
Camera control software: CCDSoft
Camera temperature: -10C
Telescope: AGO 18" F 3.54 Astrograph.
Link to telescope test page.
Telescope control software: TheSky6, Focusmax
Mount: Paramount ME
Total exposure time: 40 x 1 minute unguided subexposures.
Image scale 1.15 arc sec per pixel
Processing: CCDStack2, Photoshop CS5.
manufacturer, AG Optical Systems, owned by Dave Tandy. The telescope is set up in my
observatory between my two permanent mounts on a temporary pier. The telescope and its
associated equipment is still being tweaked, but the results are very promising.
Image acquisition date: October 15, 2010.
Camera: SBIG STL6303E
Filters: AstroDon Ha
Camera control software: CCDSoft
Camera temperature: -10C
Telescope: AGO 18" F 3.54 Astrograph.
Link to telescope test page.
Telescope control software: TheSky6, Focusmax
Mount: Paramount ME
Total exposure time: 40 x 1 minute unguided subexposures.
Image scale 1.15 arc sec per pixel
Processing: CCDStack2, Photoshop CS5.
