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Sh2-22 (Emission Nebula)


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Sh2-22
Emission Nebula (散光星雲)
Nb EN


別名 (Other names)

Sharpless 22, Sh 2-22, RCW 144, Gum 71, LBN 14

星座 (Constellation)
いて座 (Sgr) (Sagittarius)

座標 (Coordinates)
(4.28°, 0.55°)

距離 (Distance)
3,900光年 (3,900 light-years)

Sh2-22 (RCW 144) is an emission nebula located 3,900 light years from the Earth in the constellation Sagittarius.

Sh2-22 (Emission Nebula) : Picture

Sh2-22 (Emission Nebula)
Sh2-22 (Emission Nebula)
(C) http://galaxymap.org/
This is a ring nebula surrounding the O8 III giant 63 Ophiuchi (HD 162978), which lies at the edge of the Sgr OB1 association in the Sagittarius arm.

Sh2-22 (Emission Nebula)
Sh2-22 (Emission Nebula)
(C) Naoyuki Kurita
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Sh2-22 (Emission Nebula) : Movie

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