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IC 1805 (Heart Nebula)


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IC 1805
Heart Nebula (心臓星雲, ハート星雲)
Emission Nebula (散光星雲)
OC III3pn


別名 (Other names)

OCL 352, Mel 15, LBN 654, Sh2-190, Sharpless 190, Sh 2-190

明るさ (Brightness)
6.5等級

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

距離 (Distance)
7,500光年 (7,500 light-years)

Heart Nebula (IC 1805) is an emission nebula located 7,500 light years from the Earth in the constellation Cassiopeia.

IC 1805 (Heart Nebula) : Picture

IC 1805: The Heart Nebula
IC 1805: The Heart Nebula
(C) NASA
Sprawling across almost 200 light-years, emission nebula IC 1805 is a mix of glowing interstellar gas and dark dust clouds. Derived from its Valentine's-Day-approved shape, its nickname is the Heart Nebula. About 7,500 light-years away in the Perseus spiral arm of our galaxy, stars were born in IC 1805. In fact, near the cosmic heart's center are the massive hot stars of a newborn star cluster also known as Melotte 15, about 1.5 million years young. A little ironically, the Heart Nebula is located in the constellation of Cassiopeia. This deep view of the region around the Heart Nebula spans about two degrees on the sky or about four times the diameter of the Full Moon.

IC1805 (Heart Nebula)
IC 1848 (Soul Nebula/Left)
IC 1805 (Heart Nebula/Right)
(C) NASA

IC1805 (Heart Nebula) IC1805 (Heart Nebula)
IC 1848 (Soul Nebula/Left)
IC 1805 (Heart Nebula/Right)
(C) NASA
IC 1848 (Soul Nebula/Left)
IC 1805 (Heart Nebula/Right)
(C) NASA
IC1805 (Heart Nebula) IC1805 (Heart Nebula)
IC 1805 (Heart Nebula)
(C) NASA
IC 1805 (Heart Nebula)
(C) NASA
IC1805 (Heart Nebula) IC1805 (Heart Nebula)
IC 1805 (Heart Nebula)
(C) NASA
IC 1805 (Heart Nebula)
(C) NASA
IC1805 IC1805
IC 1805
(C) NASA
IC 1805
(C) NASA
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