Cygnus. The "Blinking Planetary", since it seems to disappear when you look directly at it, but reappears when viewing with averted vision.
sketches : Nebulae : NGC 6826, Planetary nebula 07-22-2006 |
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NGC 7293 Helix Nebula PN 10-06-2007 |
NGC 6888, Emission Nebula 07-22-2006 |
NGC 7293 Helix Nebula PN 10-06-2007 |
NGC 6888, Emission Nebula 07-22-2006 |
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