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	<id>https://monnier.astro.lsa.umich.edu/research/index.php?action=history&amp;feed=atom&amp;title=2011Nov2</id>
	<title>2011Nov2 - Revision history</title>
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	<updated>2026-07-31T06:17:25Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://monnier.astro.lsa.umich.edu/research/index.php?title=2011Nov2&amp;diff=2795&amp;oldid=prev</id>
		<title>192.153.157.227: New page: Photometric Channels had been well since I did the alignment at the beginning of the Sep. But it somehow suddenly got really bad in Oct. So I re-aligned them in Nov. I tried to adjust by r...</title>
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		<updated>2011-11-02T20:07:48Z</updated>

		<summary type="html">&lt;p&gt;New page: Photometric Channels had been well since I did the alignment at the beginning of the Sep. But it somehow suddenly got really bad in Oct. So I re-aligned them in Nov. I tried to adjust by r...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Photometric Channels had been well since I did the alignment at the beginning of the Sep.&lt;br /&gt;
But it somehow suddenly got really bad in Oct.&lt;br /&gt;
So I re-aligned them in Nov. I tried to adjust by rotating two tip-tilt knobs, but didn&amp;#039;t improve&lt;br /&gt;
at all. So I rotated the beamsplitter, which improved the PCs to what they were supposed to be.&lt;br /&gt;
Here are the images of beam3 and beam4.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Media:b3_mirc_2011Nov02.png]]&lt;br /&gt;
[[Media:b4_mirc_2011Nov02.png]]&lt;br /&gt;
[[Media:b34_mirc_2011Nov02.png]]&lt;/div&gt;</summary>
		<author><name>192.153.157.227</name></author>
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