Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  NGC 103  ·  The star 12 Cas
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Sh2-173 (The Phantom of the Opera Nebula), Herwig Peresson
Sh2-173 (The Phantom of the Opera Nebula)
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Sh2-173 (The Phantom of the Opera Nebula)

Getting plate-solving status, please wait...
Sh2-173 (The Phantom of the Opera Nebula), Herwig Peresson
Sh2-173 (The Phantom of the Opera Nebula)
Powered byPixInsight

Sh2-173 (The Phantom of the Opera Nebula)

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Description

Sharpless nebula Sh2-173 in Cassiopeia, nicknamed "The Phantom of the Opera Nebula". The small Sh2-172 is at the lower right corner. Also, in the lower left is NGC 103.
Ha-RGB image with my small Skywatcher 130 PDS on two nights through heavy light pollution.

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Revisions

  • Sh2-173 (The Phantom of the Opera Nebula), Herwig Peresson
    Original
  • Sh2-173 (The Phantom of the Opera Nebula), Herwig Peresson
    B
  • Final
    Sh2-173 (The Phantom of the Opera Nebula), Herwig Peresson
    C
  • Sh2-173 (The Phantom of the Opera Nebula), Herwig Peresson
    D

B

Title: Annotated image

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C

Description: Reprocessed with better star colors and more stretched Ha signal

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D

Description: Starless Version

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Sh2-173 (The Phantom of the Opera Nebula), Herwig Peresson