Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Sh2-155
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Sharpless 2-155 The Cave Nebula, Luís Ramalho
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Sharpless 2-155 The Cave Nebula, Luís Ramalho
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Description

The Sharpless 2-199 nebula is 2400 light years away in the plane of our galaxy, in the direction of the Cepheus constellation. The bright hydrogen ring (in the center of the image) is ionized by the strong radiation from nearby stars. This nebula is about 10,000 light years in diameter.

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Sharpless 2-155 The Cave Nebula, Luís Ramalho

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Takahashi Refractors

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Nebulas