31-07-2017, 05:11 PM
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IIS Member #671
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Join Date: Dec 2005
Location: Canberra
Posts: 11,159
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Quote:
Originally Posted by Placidus
We can get the H-alpha completely starless without too much of a fight, but the OIII and SII are a menace because they are so faint and the stars so bright.
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It rhymes!
H
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