Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7510
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The Lobster Claw Nebula, SH2-157, Steven Bellavia
The Lobster Claw Nebula, SH2-157
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The Lobster Claw Nebula, SH2-157

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The Lobster Claw Nebula, SH2-157, Steven Bellavia
The Lobster Claw Nebula, SH2-157
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The Lobster Claw Nebula, SH2-157

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Description

Sharpless 157, also known as the Lobster Claw Nebula, is a bright emission nebula in the constellation Cassiopeia. It lies just south of the better-known Bubble Nebula (NGC 7635). Within this image are a few other objects. Planetary Nebula PLN 110-0.1 is located near the center of the upper-right quadrant. The bright nebular spot near the center of the image is Lyn's Bright Nebula 537 (LBN537), also known as Sharpless 157a. The small cluster of stars just above the bottom pincer is Markarian 50 and the bright cluster of stars located above the top pincer is open cluster NGC 7510. The northern part of the cloud has a ring shape, caused by the action of the stellar wind of several giant stars, while the southern sector appears excited by the light radiation of the stars of spectral class O.

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The Lobster Claw Nebula, SH2-157, Steven Bellavia

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Nebulae