Thread: Dumb question about large achro + narrowband
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Old 20-04-2013, 01:53 PM
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Lee
Colour is over-rated

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Join Date: Sep 2005
Location: Newcastle, Australia
Posts: 2,414
You can do narrowband no problem - ie Ha/O-III etc; I don't think R/G/B is considered narrowband, given you are still talking about 100-150nm band of wavelengths, which are all going to focus differently.
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