The North America Nebula is a hydrogen-rich emission nebula.

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It was discovered on October 24, 1786 by William Herschel.

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It is approximately 2,590 light-years away from Earth.

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It is best to observe it from the beginning of summer until October, when it is highest in the sky.

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It can be observed even with small binoculars with a hydrogen or UHC filter screwed in.

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It is estimated to extend for 90 light years.

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Interesting fact: In the sky, it has an area 10 times larger than the full moon, and the total mass of this nebula is 100 times larger than the mass of our Sun.