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		<description>Diskussion </description>
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			<title>wolfgang schreibt:</title>
			<link>http://astro-foren.com#comment-59</link>
			<description><![CDATA[Dear Alistairs, The startest is exakt on optical axis. But Foucault, Ronchi or interferogramms not. This sytems show vignetting with such fotos.]]></description>
			<dc:creator>wolfgang</dc:creator>
			<pubDate>Tue, 06 Jan 2015 00:44:53 +0100</pubDate>
			<guid>http://astro-foren.com#comment-59</guid>
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			<title>Alistair Gutcher schreibt:</title>
			<link>http://astro-foren.com#comment-45</link>
			<description><![CDATA[Just curious, why is the secondary mirror not centred in your Foucault and Ronchi tests on this Mewlon 210? Regards, Alistair G.]]></description>
			<dc:creator>Alistair Gutcher</dc:creator>
			<pubDate>Sat, 20 Sep 2014 23:17:30 +0200</pubDate>
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