Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
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Sh2-174 Ancient Planetary Nebula in HOO, Douglas J Struble
Sh2-174 Ancient Planetary Nebula in HOO
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Sh2-174 Ancient Planetary Nebula in HOO

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Sh2-174 Ancient Planetary Nebula in HOO, Douglas J Struble
Sh2-174 Ancient Planetary Nebula in HOO
Powered byPixInsight

Sh2-174 Ancient Planetary Nebula in HOO

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Description

This one was one of the toughest objects for me to process. Even with almost 30 hours of OIII and 30 hours of Ha, it was so so faint.

Sh2-174 is an unusual ancient planetary nebula. Usually the white dwarf can be found very near the center of the planetary nebula. But in the case of Sh2-174 it off to the right. (It is the very blue star near the center of the blue gas). This asymmetry is due to the planetary nebula's interaction with the interstellar medium that surrounds it.

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  • Final
    Sh2-174 Ancient Planetary Nebula in HOO, Douglas J Struble
    Original
    Sh2-174 Ancient Planetary Nebula in HOO, Douglas J Struble
    B
    Sh2-174 Ancient Planetary Nebula in HOO, Douglas J Struble
    C

B

Description: Featured in BBC Sky at Night Magazine October 2019

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C

Description: Stellarvue Stellar Shot of the Week 7-29-2019

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Sh2-174 Ancient Planetary Nebula in HOO, Douglas J Struble

In these public groups

Sharpless2 Objects
Planetary Nebulae