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Old 01-09-2006, 02:22 PM
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Merlin66 (Ken)
Spectroscopy Wizard

Merlin66 is offline
Join Date: Oct 2005
Location: St Leonards, Vic
Posts: 8,014
Ha responce

The attached graphs show the increase in Ha sensitivity with the IR filter removed. Goes from 0.4 to almost .95
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