sketches : Nebulae : NGC 7293 Helix Nebula PN 11-22-2003

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NGC 7293 Helix Nebula PN 11-22-2003

NGC 7293 Helix Nebula PN 11-22-2003

NGC 7293 Helix Nebula PN 11-22-2003
Orion Skyglow filter. Contrast against sky background is not as high as with UHC or O-III. More diffuse, helix lobes not as visible.

NGC 7293 Helix Nebula PN 11-22-2003

NGC 7293 Helix Nebula PN 11-22-2003


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Photo album generated by album from Dave's MarginalHacks on Sat Nov 8 19:36:00 2008