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Narrowband with a OSC camera - Ha/Hbeta/OIII at same time...?
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11-08-2014, 07:28 PM
RickS
(Rick)
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Join Date: Apr 2010
Location: Brisbane
Posts: 10,584
Also be aware that Hb is quite a bit lower intensity than Ha (ratio of 1:2.92 when emitted and then Hb will suffer more from scattering.)
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