Thread: Horsehead CDK17 10:45 hours at F4.5
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Old 12-03-2014, 06:29 PM
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SkyViking (Rolf)
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Join Date: Aug 2009
Location: Waitakere Ranges, New Zealand
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A really beautiful Horsehead you've got there Greg. The resolution is impressive, and nice tight stars all over the frame.
What is the ratio of Ha to L data in this image?
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