Thread: Baader AstroSolar film
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Old 23-05-2014, 09:44 PM
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Quote:
Originally Posted by Astro_Bot View Post
... 30cm x 30cm squares of ND3.8 ...
Just thought I'd clarify something: it was 25cm x 25cm, which makes more sense, since that fits more neatly into 100cm x 50cm.
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