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Old 11-06-2012, 08:27 AM
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Merlin66 (Ken)
Spectroscopy Wizard

Merlin66 is offline
Join Date: Oct 2005
Location: St Leonards, Vic
Posts: 7,214
The loss of the Ha responce is due to the Colour Correction filter, not the AA/ Dust filter.
Filter #1 curve is the AA/Dust filter
Filter#2 curve is the Colour Correction.
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