Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  12 Cas  ·  Sh2-173  ·  The star 12Cas
Sh2-173 The Phantom of the Opera Nebula in HaLRGB, Greg Nelson
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Sh2-173 The Phantom of the Opera Nebula in HaLRGB

Sh2-173 The Phantom of the Opera Nebula in HaLRGB, Greg Nelson
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Sh2-173 The Phantom of the Opera Nebula in HaLRGB

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Description

That lovely patch of hydrogen in Cassiopeia that resembles the mask of the Phantom of the Opera.

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Sh2-173 The Phantom of the Opera Nebula in HaLRGB, Greg Nelson

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Arizona Astrophotographers