Thread: Why not use Achro for Astrophotography?
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Old 16-10-2011, 12:38 PM
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DavidU (Dave)
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Our own Bert has produced wonderful Ha images with an Achro.
http://www.iceinspace.com.au/forum/s...ad.php?t=52812

Here is another image done with an Achro with a minus violet filter
http://www.gamaelectronics.com.au/im...ge30617843.jpg
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