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Hubble 12 (Planetary Nebula), PN Hb 12


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Hubble 12, PN Hb 12
Planetary Nebula (惑星状星雲)
Nb PN

別名 (Other names)
PN Hb 12, PK 111-2.1, PN G111.8-02.8

星座 (Constellation)
カシオペア座 (Cas) (Cassiopeia)

Hubble 12 (PN Hb 12) is a planetary nebula in the constellation Cassiopeia.

Hubble 12 (Planetary Nebula) : Picture

Bipolar Planetary Nebula PN Hb 12
Bipolar Planetary Nebula PN Hb 12
(C) NASA/ESA
This image shows an example of a bipolar planetary nebula known as PN Hb 12 — also known as Hubble 12 — in the constellation of Cassiopeia. The striking shape of this nebula, reminiscent of a butterfly or an hourglass, was formed as a Sun-like star approached the end of its life and puffed its outer layers into the surrounding space. For bipolar nebulae, this material is funneled towards the poles of the aging star, creating the distinctive double-lobed structure.
Observations using NASA's Hubble Space Telescope and the New Technology Telescope have found that bipolar planetary nebulae located towards the central bulge of our Milky Way appear to be strangely aligned in the sky — a surprising result given their varied and chaotic formation.
PN Hb 12 was not part of the new study. A version of this image was entered into the Hubble's Hidden Treasures image processing competition by contestant Josh Barrington.

PK 111-2.1
PK 111-2.1
(C) NASA, ESA and J. Barrington

Hubble 12
Hubble 12
(C) Judy Schmidt

Hubble 12
Collage of top images in the Hidden Treasures image processing competition
(C) NASA/ESA
Top row: NGC 1763 by Josh Lake, M 77 by Andre van der Hoeven, XZ Tauri by Judy Schmidt, Chamaeleon I by Renaud Houdinet, M 96 by Robert Gendler

Bottom row: SNR 0519-69 by Claude Cornen, PK 111-2.1 by Josh Barrington, NGC 1501 by kyokugaisha1, Abell 68 by Nick Rose, IC 10 by Nikolaus Sulzenauer

Bipolar Planetary Nebula PN Hb 12 PK 111-2.1
Bipolar Planetary Nebula PN Hb 12
(C) NASA/ESA
PK 111-2.1
(C) NASA
Hubble 12
Hubble 12
(C) Judy Schmidt
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