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NGC7293 - The Helix Nebula
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12-12-2011, 07:52 AM
gregbradley
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Join Date: Feb 2006
Location: Sydney
Posts: 18,183
A good shot Mario.
Helix is a very faint nebula and it takes long exposures and long total exposure to get enough signal to work it very hard. Your tracking is particularly perfect.
Greg.
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