Thread: a new toy in the market - a Ha eyepiece
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Old 06-05-2014, 03:49 PM
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Merlin66 (Ken)
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Merlin66 is offline 		 
Join Date: Oct 2005
Location: Junortoun Vic
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80 -100mm recommended to use at least a UV-IR blocker (something like the BelOptic UV-IR/KG3) a "proper" ERF above 100mm aperture.
(The Baader 35nm Ha CCD filter would work very well ;-) )
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