I was plagued by high thin cloud at times during the sequence and i have a red light source at bottom right as I had a few months back. I had thought it was Canon 70D viewfinder light leakage but had its cover in place, so another source must be the cause. Perhaps my library of darks are contaminated also? Nevertheless, this image is probably the best detail of the Western section of the Veil Nebula I have captured so far. See also cropped version this date and one year earlier 3/8/13 from darker skies but with 40D camera. DeepSkyStacker 3.3.4 Stacked 50% of 2 Images ISO 800 @ 90 Sec, 26 DARK @ 120 Sec, 32 BIAS, 17 FLATS, Post-processed with Adobe Photoshop CC 2014. Further processed with Noise Ninja and Adobe Photoshop CS6. Telescope - PowerNewt 200mm f/4 with PowerNewt(ASA) f/2.84 Reducer/Coma Corrector, No filter, Baader BCF modified Canon 70D DSLR field 90' x 134' , Ambient 11C. EQMOD EQASCOM with Ascom 6 for mount control. Backyard EOS Pro 3.0.3 for Image acquisition. Mount - Skywatcher NEQ6 Pro. Guidescope - Orion ShortTube 80 with Starlight Xpress SuperStar (Mono) CCD Auto Guider and Stark Labs PHD auto guiding software.
Tracking errors evident in this single test shot to see how well I could pick this up. It shows the most detail I have on this to date, so is a candidate for another night. This cropped variant removes most of the spurious red light... see uncropped frame also. Telescope - PowerNewt 200mm f/4 with PowerNewt(ASA) f/2.84 Reducer/Coma Corrector, No filter, Baader BCF modified Canon 70D DSLR field 90' x 134' , Ambient 11C. EQMOD EQASCOM with Ascom 6 for mount control. Backyard EOS Pro 3.0.3 for Image acquisition. Mount - Skywatcher NEQ6 Pro. Guidescope - Orion ShortTube 80 with Starlight Xpress SuperStar (Mono) CCD Auto Guider and Stark Labs PHD auto guiding software.
Tracking errors evident in this single test shot to see how well I could pick this up. It shows the most detail I have on this to date, so is a candidate for another night. I need to resolve the spurious red-light issue from the bottom right corner. Perhaps from contaminated library of dark frames. See also cropped version. DeepSkyStacker 3.3.4 Stacked 50% of 2 Images ISO 800 @ 90 Sec, 26 DARK @ 120 Sec, 32 BIAS, 17 FLATS, Post-processed with Adobe Photoshop CC 2014. Telescope - PowerNewt 200mm f/4 with PowerNewt(ASA) f/2.84 Reducer/Coma Corrector, No filter, Baader BCF modified Canon 70D DSLR field 90' x 134' , Ambient 11C. EQMOD EQASCOM with Ascom 6 for mount control. Backyard EOS Pro 3.0.3 for Image acquisition. Mount - Skywatcher NEQ6 Pro. Guidescope - Orion ShortTube 80 with Starlight Xpress SuperStar (Mono) CCD Auto Guider and Stark Labs PHD auto guiding software.
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