AstroTech AT6RC Bahtinov mask
Description
This Is A Bahtinov Mask Designed For The Astro-Tech 6" F/9 Ritchey-Chrétien Astrograph. The Dimensions Are Based Off Of The Original Dust Cap, And The Slit Design Was Generated From This Site: Http://Astrojargon.Net/Maskgen.Aspx
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