North America Nebula and Sadr Region in H-alpha (Andrew_B)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · IC 5068 · IC 5070 · NGC 6888 · NGC 7000 · North America Nebula · Part of the constellation Cygnus (Cyg) · Pelican Nebula · The star 34Cyg · The star 47Cyg · The star 57Cyg · The star 59Cyg · The star 63Cyg · The star Deneb (αCyg) · The star Sadr (γCyg) · The star λCyg · The star νCyg · The star ξCyg

North America Nebula and Sadr Region in H-alpha, Andrew_B

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North America Nebula and Sadr Region in H-alpha

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North America Nebula and Sadr Region in H-alpha

Wide field view of North America Nebula and Sadr region in Cygnus taken in H-alpha. It was meant to be a 120 minute integration but the batteries for the drive gave up after 52 minutes worth of exposures so I wasn't confident of getting much detail.

The Bayer 7nm H-alpha filter has delivered plenty of detail and contrast from a relatively short integration using a full spectrum modified FujiFilm X-A3, and I was surprised at how well it shows the Crescent Nebula and the fainter nebulosity across the frame despite the sky brightness from the full Moon. Lens was a Samyang 85mm f1.8 stopped down to f2.0.

This is the result of a relatively quick processing in APP with only a tiny amount of editing in Affinity Photo and Apple Photos to boost contrast and pick out detail.

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Description: Negative version of image with contrast adjustment to bring out faint details of the nebulosity.

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North America Nebula and Sadr Region in H-alpha

North America Nebula and Sadr Region in H-alpha

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North America Nebula and Sadr Region in H-alpha

North America Nebula and Sadr Region in H-alpha

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