Thread: Helix outer bow shocks: 38 hrs H-alpha
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Old 01-09-2017, 12:11 PM
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troypiggo (Troy)
Bust Duster

troypiggo is offline 		 
Join Date: Nov 2008
Location: Brisbane, Australia
Posts: 4,846
Wow that's deep! Think you're right - certainly the deepest Ha I've seen.
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