NGC7000 North America Nebula, IC5070 Pelican Nebula

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NGC 7000, also known as "The North America Nebula," or "Caldwell 20," is an huge emission nebula located in the constellation of Cygnus. NGC 7000 is nicknamed "The North America Nebula," because it's shape looks like the continent of North America.

The distance to the North America has long been controversial, because there are few precision methods for determining how far away an HII region lies. Until 2020, most astronomers accepted a value of 2000 light years, though estimates ranged from 1500 to 3000 light years. But in 2020, this nebula's distance was pinned down with unprecedented accuracy, after the Gaia astrometry satellite measured the precise distances to 395 stars lying within the HII region. The data show that the North America and Pelican nebulae lie 2,590 light years away (795±25 parsecs). The whole HII region Sh2-117 is then 140 light years across, and the North America Nebula stretches 90 light years north to south (Source: Wikipedia).

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The lower half of the image - resembling Mexico and Central America - is known as the Cygnus Wall. This region exhibits the most concentrated star formation. Above right resembles the Gulf of Mexico.