Thread: Ha and ERF combination advice sought
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Old 21-09-2011, 07:10 PM
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sheeny (Al)
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Join Date: Jun 2005
Location: Oberon NSW
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The SM40 Tmax and BF10 are about all I'm familiar with. You will get excellent results with these through a small refractor like and ED80. Just check the required focal length for the BF10, but it sounds ideal for your 6" skywatcher.

Al.
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