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DSLR and Ha
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28-10-2009, 08:47 AM
troypiggo
(Troy)
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Join Date: Nov 2008
Location: Brisbane, Australia
Posts: 4,846
Pretty sure this is quite common for nebulae. The Ha gives nice, contrasty images with no light pollution etc and it's used for luminance in the final image. Then shots taken with no filter are used for the RGB colour side of things.
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