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M13-DSS-NebCB-GR_LMcore_CRSat_HLVG_forum
M13: 55x 5 min ISO1600 (19 subs on May 3 and 36 subs on May 4$), 18 darks, 20 flats and 20 bias, in addition to 36x60 sec with 36 darks, 20 flats and 20 bias for the core. I do have a reflection which I think originates from the focuser tube/MPCC as I haven't experienced this before I started using the MPCC. Also the core could do with even shorter exposures I think.
Calibration, registration and stacking (Kappa-Sigma) in DSS, Color balance in Nebulosity, Post-processing in CS3 (Gradient removal, Levels, Saturation, HLVG and M13 core HDR using layer mask)
Albums: Tim's Astrovirus Album, Astrophotos 2011
Location: The Netherlands
Comment
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Comment by Tim Schuurman on May 10, 2011 at 1:39am
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Thanks Mark,
Yes combining the short with long exposures provided me with the best of both. Nice details form the deep exposure, and a reasonably resolved core with the short exposure. The deep exposure just had a white blob at the core.
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Thanks Robert,
Scope was an 8" Skywatcher Blackline Newton at F/5. Camera was a Self modded Baader ACF Canon 350D (also TEC modden but not operational yet)
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Comment by Robert C. Mills on May 9, 2011 at 2:34pm
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Great Image! What camera and what telescope?
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Comment by Charles Dunlop on May 9, 2011 at 12:58pm
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Really, no moonlite autofocuser and you got it looking like this. Kudos.
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Thanks Charles,
Bahtinov does the job.
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That's a nice shot. Fantastic focus.
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