Thread: Just another face in the crowd ... Finished my Eta
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  #47  
Old 06-04-2012, 12:05 AM
rally
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Join Date: Sep 2007
Location: Australia
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Alpal,

The Ha band is in the visible spectrum !

Is is bright enough to see ? - I guess that depends on aperture.

Rally

PS I think the image is in fact Ha in grey scale and mixed with colour
Its LHa RHa G B - I assume ?
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