Celestial hemisphere:  Southern  ·  Constellation: Norma (Nor)  ·  Contains:  NGC 6164  ·  NGC 6165  ·  PK336-00.1
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NGC 6164 HOO, Tom Peter AKA Astrovetteman
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NGC 6164 HOO

Getting plate-solving status, please wait...
NGC 6164 HOO, Tom Peter AKA Astrovetteman
Powered byPixInsight

NGC 6164 HOO

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Description

NGC 6164, at the center of the field, appears to be a planetary nebula, however it is classified as a bipolar nebula in the Southern constellation Norma. It is called a bipolar nebula due to the central star which is an extreme O-type star (HD 148937)with a mass of around 40 solar masses, similar to a Wolf-Rayet star thus being a mass-loss star causing the bipolar nebula. The nebula lies at a distance of 4,200 light-years from Earth and is about 4.2 light-years across. The beautiful filamentary outer halo was probably caused by an earlier active phase of HD 148937.

This image is just HOO (8.5 hours Ha and 8 hours OIII) with only the stars being RGB data. I'm going to redo it blending the RGB and Narrowband but this is what I've got, so far.

Anyway, hope ya like it!

Tom

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NGC 6164 HOO, Tom Peter AKA Astrovetteman

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