Date Taken: 08/20/2009 Photographer:
Steve S Location: Little Mount Hoffman, Calif.
Orion 8 inch f/4.0 Newtonian Astrograph Reflector Telescope
Astro-Physics AP900 equatorial mount
Modified Canon EOS 350D DSLR Processing: Dark and flat fram subtraction, processing in Images Plus and Photoshop CS3. Exposure: No. exposures: 19. Exposure duration: 300 sec. Total exposure time: 1 hr 35 min. ISO setting: 800 Other Equipment Used: Orion StarShoot Pro V2.0 Deep Space Color CCD Imaging Camera, Orion 100mm f/6.0 Refractor Tube Assembly, Tele Vue Paracorr Type 2, Tele Vue Canon Wide T Adapter Notes: Dark and flat fram subtraction, processing in Images Plus and Photoshop CS3.
The Tele Vue Canon wide t-adapter provides a larger clear aperture to minimize vignetting through Canon brand DSLR cameras. 25% greater aperture, and features the very stable and secure standard canon bayonet attachment.
The Tele Vue Paracorr type 2 coma corrector eliminates or reduces coma in reflector telescopes as fast as f/3. Works visually or photographically, and the top is tunable to optimize the performance with any eyepiece and telescope combination.
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