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NGC 650/651 (Little Dumbbell Nebula, M76)


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NGC 650/651, M76
Little Dumbbell Nebula (小亜鈴状星雲)
Planetary Nebula (惑星状星雲)
Nb PN


別名 (Other names)
PK 130-10.1, Messier 76

明るさ (Brightness)
10.1等級

星座 (Constellation)
ペルセウス座 (Per) (Perseus)

距離 (Distance)
2,500光年 (2,500 light-years)

NGC 650/651 (Little Dumbbell Nebula, M76) is a planetary nebula located 2,500 light years from the Earth in the constellation Perseus.

NGC 650/651 (Little Dumbbell Nebula, M76) : Picture

Messier 76
Messier 76
(C) Ken Crawford (Rancho Del Sol Obs.)
"Nebula at the right foot of Andromeda ... " begins the description for the 76th object in Charles Messier's 18th century Catalog of Nebulae and Star Clusters. In fact, M76 is one of the fainter objects on the Messier list and is also known by the popular name of the "Little Dumbbell Nebula". Like its brighter namesake M27 (the Dumbbell Nebula), M76 is recognized as a planetary nebula - a gaseous shroud cast off by a dying sunlike star. The nebula itself is thought to be shaped more like a donut, while the box-like appearance of its brighter central region is due to our nearly edge-on view. Gas expanding more rapidly away from the donut hole produces the fainter loops of far flung material. The fainter material is emphasized in this composite image, highlighted by showing emission from hydrogen atoms in orange and oxygen atoms in complementary blue hues. The nebula's dying star can be picked out in the sharp false-color image as the blue-tinted star near the center of the box-like shape. Distance estimates place M76 about 3 to 5 thousand light-years away, making the nebula over a light-year in diameter.

Messier 76
Messier 76
(C) Stefan Seip

Messier 76
Messier 76
(C) Robert J. Vanderbei

M76, NGC650/651
M76, NGC650/651
(C) NOAO/AURA/NSF

M76
M76 Above and Below
(C) Don Goldman
Also known by the popular name the "Little Dumbbell Nebula", M76 is one of the fainter objects listed in Charles Messier's 18th century Catalog of Nebulae and Star Clusters. Like its better-known namesake M27 (the Dumbbell Nebula), M76 is recognized as a planetary nebula - a gaseous shroud cast off by a dying sunlike star. The nebula itself is thought to be shaped more like a donut, its central box-like appearance due to our nearly edge-on view. Gas expanding more rapidly away from the donut hole produces the more extensive, far flung material in this remarkable image that uses narrow-band filters to highlight the emission from hydrogen (in red) and oxygen atoms (in greenish blue). In particular, complex oxygen emission features are seen above and below the main nebula to a degree not detected in most images of M76. Distance estimates place M76 about 3 to 5 thousand light-years away toward the heroic constellation Perseus, making the nebula over a light-year in diameter.

Messier 76 Messier 76
Messier 76
(C) Ken Crawford
Messier 76
(C) Stefan Seip
Messier 76 M76, NGC650/651
Messier 76
(C) Robert J. Vanderbei
M76, NGC650/651
(C) NOAO
M76
M76
(C) Don Goldman
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NGC 650/651 (Little Dumbbell Nebula, M76) : Movie

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