NGC 7000 "The Great Wall"

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Telescope: 0.25m at Mayhill, NM

Camera Filters: Hydrogen, Oxygen, Sulfur, Luminance

Total exposure: 11 hours

Image width: 1.5 degree

The Great Wall is a portion of the North American / Pelican nebular complex, a very large, relatively faint, hydrogen-emission nebula. The North-American nebula complex’s shape devolves from selective obscuration by intervening dusty patches between us and the hydrogen cloud.


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