Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Sh2-173
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sh2-173 - a very weak and difficult nebula in Cassiopea - V2  crop and denoise, Stefano Ciapetti
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sh2-173 - a very weak and difficult nebula in Cassiopea - V2 crop and denoise

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Description

A very difficult target to be taken from a polluted city sky with a modded DSLR - this is a very weak and rarely imaged nebula in Cassiopea - sum of 90 180 seconds unguided images with a Vixen ED114 + FR 4.4, a modded Canon 450d + Astronomik UHC-E filter on top of a Vixen GPD2. Processing has been focused to display as much as possible of the nebula. I didn't take much care of noise. Hope you like

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  • sh2-173 - a very weak and difficult nebula in Cassiopea - V2  crop and denoise, Stefano Ciapetti
    Original
  • Final
    sh2-173 - a very weak and difficult nebula in Cassiopea - V2  crop and denoise, Stefano Ciapetti
    B

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sh2-173 - a very weak and difficult nebula in Cassiopea - V2  crop and denoise, Stefano Ciapetti

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Imagers of Italy