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Galaxy imaging
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22-12-2014, 10:56 AM
gregbradley
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Join Date: Feb 2006
Location: Sydney
Posts: 17,904
You'll need the Tak 1.6X Q extender or a barlow to capture most galaxies at that focal length.
Most galaxies usually require about 1200mm focal length with an 8300 chip. There are a few that are large like NGC253 that don't require as much.
Greg.
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