Orion skyglow filter. Hints of structure visible with averted vision, not nearly as much as with UHC.
sketches : Nebulae : NGC 40 planetary nebula 11-22-2003 |
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NGC 40 planetary nebula 11-22-2003 |
NGC 40 planetary nebula 11-22-2003 |
NGC 40 planetary nebula 11-22-2003 |
NGC 40 planetary nebula 11-22-2003 |
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