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Eta Carina Central quickie
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29-07-2012, 10:04 PM
John Hothersall
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Join Date: Apr 2007
Location: Thornlands, Brisbane.
Posts: 1,346
Sorry Marc got it the wrong way around its 75pc OIII and 25pc Ha. Layers get confusing in terms of what goes into what as I don't tend to think about it these days much.
John.
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