Thread: M83 RGB + Ha
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Old 08-06-2011, 08:07 PM
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renormalised (Carl)
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Luckily, Geoff, M83 has quite a lot of HII in the arms so you'll get some response with a Ha filter, but in order to really do it justice you need to boost the F ratio. A galaxy like M83 needs image scale to show it off.
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