Thread: DSLR and Ha
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Old 28-10-2009, 07:09 PM
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Bassnut (Fred)
Narrowfield rules!

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Join Date: Nov 2006
Location: Torquay
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Frank. Useing Ha as the lumanence layer in LRGB is common (for nebulae) for many reasons and well worth reading up on. Ha is becoming a popular alternative to Lumanence in urban skies.
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