The Heart Nebula is a hydrogen-rich emission nebula.

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Discovered by William Herschel in 1787.

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the distance from Earth is 7,500 light years

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It can be observed in autumn and winter.​ when in the northern sky.

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For observation, medium-sized binoculars with a hydrogen or UHC filter screwed in are enough.

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The size of this nebula is 375 light years.

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