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SCT Telescopes - ERF and Aperture Reduction Category: Configuring Your DayStar Filter
Posted on Apr 20, 2011, 4:48 pm Author: Jen Winter
Aperture reduction and Energy Rejection Filters for your SCT Telescopes
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Tagged Keywords: telescope, SCT, DayStar Filter, Off axis, Aperture, Reduction, LX200, reflector, DayStar, Hydrogen Alpha, Halpha

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