North America Nebula

North America Nebula

The North America Nebula, a/k/a NGC 7000 is an emission nebula.  It emits very narrow-band red light.  I used a 5 nm FWHM spike filter to pass only the red light.  This completely eliminates the light pollution at my site.  This was a 60 minute total exposure colorized in Photoshop.

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