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Keyhole in Hydrogen Alpha
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04-05-2013, 01:10 PM
gregbradley
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Join Date: Feb 2006
Location: Sydney
Posts: 18,185
Ah yes, a nice tight Ha from a good refractor, love it. Its super sharp. You did the right thing wasting the poor subs. Its all part of what it takes. Its hard but thats the way the imaging cookie crumbles!
Greg.
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