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HFG1 (Planetary Nebula)


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HFG1
Planetary Nebula (惑星状星雲)
Nb PN

別名 (Other names)
PK 136+05

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

HFG1 (PK 136+05) is a planetary nebula in the constellation Cassiopeia.

HFG1 (Planetary Nebula) : Picture

HFG1 (Planetary Nebula)
HFG1 (Planetary Nebula)
(C) T.A. Rector (University of Alaska Anchorage) and H. Schweiker (WIYN and NOAO/AURA/NSF)
This image was obtained with the wide-field view of the Mosaic camera on the Mayall 4-meter telescope at Kitt Peak National Observatory. HFG1 is a planetary nebula in the constellation of Cassiopeia. It was produced by a binary star system (V664 Cas) that is moving rapidly through our Galaxy. The star is moving towards the upper-right of the image. As HFG1 plows through the interstellar medium, a bluish bowshock is produced; and a red trail of gas is left behind in its wake. The image was generated with observations in the Hydrogen alpha (red) and Oxygen [OIII] (blue) filters. In this image, North is down and East is to the right.

HFG1 (PK 136+05)
HFG1 (PK 136+05)
(C) Ken Crawford
HFG1 (PK 136+05 ) is an very old planetary nebula with a trail of shocked emission. The nebula surrounds the precataclysmic binary system V664 Cas. This image consists of over 39 hours of exposure time to reveal the details of the PN and the faint structures of surrounding gas.

HFG1 (Planetary Nebula) HFG1 (PK 136+05)
HFG1 (Planetary Nebula)
(C) NOAO
HFG1 (PK 136+05)
(C) Ken Crawford
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