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Greg Bradley
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> Helix Nebula Inverted image showing the extent of the nebulosity
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12-JUL-2011
Helix Nebula Inverted image showing the extent of the nebulosity
Planewave CDK17,reducer F4.51
An inverted image showing the extent of the nebula.
A 5nm Astrodon Ha filter was used to capture this image.
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Pete Hemington
12-Jul-2011 22:20
Great shot - good science and artitistic too
