Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
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SH2-174 (Valentine's Rose), Brendan Kinch
SH2-174 (Valentine's Rose)
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SH2-174 (Valentine's Rose)

Revision title: SH2-174 (Valentine's Rose)

Getting plate-solving status, please wait...
SH2-174 (Valentine's Rose), Brendan Kinch
SH2-174 (Valentine's Rose)
Powered byPixInsight

SH2-174 (Valentine's Rose)

Revision title: SH2-174 (Valentine's Rose)

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Description

A planetary nebula is created when a low-mass star blows off its outer layers at the end of its life. The core of the star remains and is called a white dwarf. Usually, the white dwarf can be found very near the centre of the planetary nebula, but in the case of Sh2-174, it is off – to the top right of the nebula in this image. (It is the blue star near the centre of the blue gas). This asymmetry is due to the planetary nebula's interaction with the interstellar medium that surrounds it.
Or so it seems! But this piece makes for interesting reading also: https://www.sternwarte-baerenstein.de/sh2-174-en.html

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    SH2-174 (Valentine's Rose), Brendan Kinch
    Original
  • Final
    SH2-174 (Valentine's Rose), Brendan Kinch
    C

C

Title: SH2-174 (Valentine's Rose)

Description: Slight improvements - crop more.

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SH2-174 (Valentine's Rose), Brendan Kinch