no filter. Some arc-shaped lobes are visible, but overall less structure than UHC or Skyglow views. Very similar to Skyglow view.
sketches : Nebulae : NGC 40 planetary nebula 11-22-2003 |
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NGC 7293 Helix Nebula PN 11-22-2003 |
NGC 40 planetary nebula 11-22-2003 |
NGC 7293 Helix Nebula PN 11-22-2003 |
NGC 40 planetary nebula 11-22-2003 |
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